DE3603303A1 - Process for producing a watertight, in particular raintight, transition from the surface of a roof to a structural body which penetrates the roofing skin vertically, e.g. a chimney, and chimney surround - Google Patents

Abstract

Published without abstract.

Description

Process for making a weatherproof, rainproof Transition from the surface of a roof to a lot right, the roof structure breaking through z. B. one Chimney and chimney surround.

The invention relates to a method for producing a weatherproof, especially rainproof transition from the Surface of a roof perpendicular to one, the roof skin breakthrough building z. B. a chimney at the deformable, strip-shaped material with an angular shape one leg on the flanks of the building and with the other leg in, on, under, or on the roof roofing is incorporated, one, the building surrounding chimney or building structure is formed and the upper edges of the on the building or chimney adjacent leg under one on the building body attached cap ledge and z. B. means permanently plastic cement can be sealed.

The invention further relates to a chimney or construction body edging covering the walls of a chimney or structure waterproof and weatherproof with a roof skin connects and which consists of angular material that one thigh against the chimney and one in has the lower leg extending at the level of the roof skin.

The manufacture of a chimney surround, i.e. H. so a connection between a roof skin and a chimney stone or another structure that breaks through the roof skin  body but also z. B. a roof window, Velux window, and the like, especially in chimneys and others Buildings have so far not been satisfactorily solved in practice been. So far, artisans have had special crafts skills on the construction site from raw material d. H. optionally pre-bent angle material such as zinc sheet or the like, depending on the roof pitch and chimney Make and cut measurements to match other solder. It must be different from above and below Liche angles are made, the corners of the Roof slope cut accordingly on the thighs ten, or overlapped and bent and soldered, the Upper edges of the thighs must be carefully under one Cap bar are brought, and the lower legs must provided with rolled lead or trained as a fillet det or be worked on a fillet.

Apart from the fact that this way of working is high, craft Ability, responsibility, precise work etc., so not from every X-hand ker can be carried out, in addition, that weather Conditions on the construction site influence the quality of the Have soldered or welded connections. Also the "daily form" of the craftsman affects the work result. So it happens that chimney surrounds that go up are manufactured, are relatively expensive and have no uniform quality.

This awkward approach has been tried for a long time  go to remedy, but so far without resounding success. Precast parts have become known as Metallpro file prefabricated and pushed together at the construction site must be, or in the end position by thinner Metal sheets are joined together by bending can. The different lengths of the bezels depending on the slope of the chimney ben, lead to corresponding changes in the side lengths, partly through prefabricated lengths, but also through Adapters and telescopic telescoping the same must be compensated for on the construction site. These known attempts have not prevailed especially because a fillet as a border at the It is essential that the but first that the roof tiles on this with their be edge can be adjusted exactly. The prefabrication of the one individual parts or profiles depend on compliance narrower tolerances if usability, in particular also achieved watertightness when installed should be. As a result, the prefabrication is also Share relatively expensive and the time saved when creating a chimney surround remains within limits, it will no resounding success.

In other experiments, corner pieces have been prepared to to take the trouble of the craftsman, the exact angles Tailor conditions to the raw material. Such, partially, expandable elbows that are pleated ge are folded, but must be soldered in, so that too  no time is saved in this procedure.

The problem in the manufacture of chimney surrounds or the like is that although the chimneys are structurally standardized in terms of their cross-sectional shapes and sizes, on the other hand, despite all standardization, the craftsman - chimney mason - cannot be created in a desirable tolerance. So it happens that standardized chimneys have deviating dimensions of several centimeters.

On the other hand, the second problem arises from the roof Tilt. Even if from the flat roof to the steep roof standardized roof pitches are preferred the final results of these roof pitches from building to building below different, so you can not under any circumstances for standardized roof inclinations and standardized chimneys, chimney surrounds prefabricate and put on the chimney and on the roof connect roofing with this. This would also be featured bring little profit because then you pay for the number different roof pitches different, correspondingly numerous prefabricated chimney details solutions should have in stock, which means manufacturing, storage maintenance, directing costs etc. on any other profit would consume.

On the other hand, if you want a single, prefabricated university go out and work with this ten, there arises the problem that the side length  the connecting edge between the roof skin and the chimney from Flat roof up to the steepest, usual roof pitch in the Length can be doubled in part.

The invention is therefore based on the object, a Ver drive and create a chimney surround which however, a specific chimney for all roof pitches type universally prefabricated and on site be adapted to the given dimensions of the chimney can.

The entrance marks itself to solve this task mentioned method according to the invention in that the Chimney surround in workshop, per chimney Type and size uniform format for everyone coming roof pitches as already closed, right corner-shaped frame body, in which a lower leg with an overlying thigh along the inside edge of the rectangular legs are connected to each other, is prefabricated that the prefabricated chimney Socket on the construction site from above or around the chimney stone or the structure is laid, after which the sub thigh brought into the plane of the roof skin, the waiter leg at least partially swings up and ins especially the long rectangular sides of the roof pitch the short rectangle sides if necessary Tolerance-related length deviation of the upper and lower Chimney or building width can be adjusted where after the thighs one after the other to attach to the Chimney or building walls are brought and as  then the angle, depending on the roof pitch large excess corner sectors of the thighs at the Frame corners between the thigh and the chimney or Structure wall can be folded and fixed.

According to the invention, the difference from the known is that that it is already finished, closed in a ring factory-shaped body of the chimney surround, So standard pre-fabricated on site brought. This ensures that the frame sides of the rectangular body of the chimney length without using telescopic sliding techniques are customizable. Because the upper and lower legs of the chimney stone edging lay flat on top of one another during prefabrication conditions arise when swiveling up during installation excess corner sectors from the Material of the thigh. The size of these corner sectors always depends on the respective roof pitch. This one Corner sectors but at the corners of the chimney below the material of the already thighs can be folded and fixed there, the waiters Thighs tight and close around the chimney and with bring the top edge under the cap strip. Here is we one soldering, any cutting or other, cumbersome work required, d. H. the chimney version can be created in a fraction of the time that has been used so far.

A particularly simple and inexpensive further education of the  The method according to claim 2 is that the chimney stone border made of flexible-elastic material, e.g. a polymer, the short sides of the rectangle with a little the width tolerance of the chimney or structure exceeding excess, using the long sides of the rectangle one that exceeds the length with the steepest roof pitch Oversize are manufactured, with the length adjustment to the long sides by folding up, the short ones Pages made by folding against the weather side becomes.

Materials for performing the method of claim 2 are on the market and can be easily used on the construction site are processed. It has no difficulties the length adjustments on the sides of the rectangle Make the pages and the wrapped to fix the wrinkles by gluing or cold welding. In addition, such chimney surrounds in front manufactured state folded into small volumes can be comfortably kept in stock.

An alternative solution according to claim 3 consists in that the chimney surround is prefabricated from sheet metal being long and short sides with one another Thighs and lower legs, in the middle area of her Length folded like an accordion and in the folds are pushed together, the lengths of the folded sides the shortest tolerance value of the  Chimney or building width or the smallest length be slightly below the smallest roof pitch will measure and that the folds on site at Slip the chimney surround onto the chimney or structure stretched to the length due to the pitch of the roof will.

In this process, in contrast to the aforementioned the frame doesn't go to the largest, most likely Length dimension of the rectangle sides prepared, but on that shortest length dimension in question. By pulling the Ziehhar pulls out monika folds, the frame can then be adjusted to each extend the required length. The roof pitch plays So no role in this version, it can be from a single universal prefabricated unit body be gone. A can be used to fold in the corner sectors fold folding tool can be used, which is the same the thighs close to the chimney stone wall spans.

A particularly advantageous alternative is that the chimney surround consists of a limited stiff resilient, accordion-like, corrugated, weather-resistant plastic is manufactured, whereby the lengths of the sides of the rectangle are shorter than for the smallest Roof pitch required dimensioned and on site by stretching the curl to the actual dimension, that the thighs of the long sides of the rectangle on the En correspond to the strongest one above or the bottom one  trimmed at the slightest roof pitch and except for a narrow, outside about 1/3 material thick thick connecting edge to be tapered that the upper leg of the short sides of the rectangle cut off at right angles and with a connecting bridge, which at the ends of the The thigh is equal in cross-section to the long sides of the rectangle, is provided that in the connecting edges flexible, wit resilient plastic films of 1/3 material thickness the frame turned into corner sectors with rounded edges welds or glues and ent when installing the roof pitch be folded up speaking.

With this procedure, any sinusoidal is undulated angular in the wave structure, possibly also oval or other structure understood that it allows for a chimney surround in Univer required length increase by off pull to bring about. This means that according to the procedure Claim 4 in the prefabrication of a little smaller assumed as a body dimensioned for zero roof pitch is then within the construction tolerances of the fer The chimney and the prevailing roof can be brought to the desired length. The end can pull to the required length on this measure material, if necessary, before putting it on Chimney roughly carried out who the, so that he only has to readjust the chimney are required. The peculiarity also consists in that flexible material is welded in for the corner sectors  and realizing that there are changing corner sectors or angle only on the thighs of the long right corners, i.e. those sides of the chimney surround there, which extend in the slope direction of the roof. So if you have the strongest roof pitch in question takes as a basis and the corner sectors in the lower area adapts to this strongest roof slope while you are at the top edge must take into account the slightest roof pitch, So a flat roof, it turns out that the corner sector flexible material in the upper area is a quarter circle, in the lower area, however, a correspondingly wide range of over 90 ° must include an outgoing angle. In that which the frame itself is 3 times as thick as the flexible material for the corner sectors results from the folding does not have a bulky effect, it remains smooth Exterior surfaces and depending on the type and quality of the No prefabrication in the built-in, finished frame Surface changes more noticeable.

Elegant designs result according to claim 5, if the height and width of the curl from the center of one each rectangle side starting in the direction of the corners redu is decorated.

It when the process according to claim 6 is particularly favorable is made of metal mesh by the chimney surround reinforced plastic is made, being an art fabric with flexible weatherproof behavior and use a flexible, limited elastic metal mesh  det. In this version, a property or division of tasks with regard to materials, d. H. that the plastic is weatherproof on the outside care, appearance, etc. while the flexibility, Elasticity, elasticity, stiffness and all the others Properties that are required by the metal mesh be provided.

The geometric laws of the angular function also apply for the thighs of the short sides of the rectangle. Because the waiter legs of the long sides of the rectangle, i.e. those in the roof slope direction, always at a right angle her thighs stand, the thighs of the short ones Rectangular sides but at an acute or obtuse angle can stand, their top edges on the chimney Part lie much lower than that, the upper edges of the long rectangle sides. So that the chimney surround too fits above and below under the cap strips, sees the Ver drive according to claim 7 that the upper and lower legs the short sides of the rectangle are wider than those of the long right corners are manufactured and that for the installation per roof excess widths of the thigh Bending or severing are eliminated.

It can e.g. B. depending on the material selected for sheet metal z. B. to be folded backwards or forwards, what is considered an excess protrudes at the top of the thigh Plastic can be easily cut off. Corrugated art material as the starting material for the chimney adjustments  leaves in addition to compliance with the technical properties, such as Strength, weather resistance, etc. another so far completely unthinkable advantage too. Plastics can on their Profiled, structured and colored surfaces otherwise from an architectural point of view be formed. Even the bevel cuts of the thighs Rectangular side edges, or long sides, on which the flexible corner sectors can be connected by appropriate Surface structuring z. B. symmetrically let the thighs of the short sides of the rectangle form, be laminated in a pattern. Color and surface structure create previously unimaginable opportunities for development optical, aesthetic effects in the design of roof through breaks.

There are also chimneys that don't cover the roof area alone, but also break through the ridge. Even for such construction The method according to the invention is suitable for situations applicable. For corrugated or zigzag frames or Chimney surrounds exist depending on the roof pitch Possibility of stretching the ridge angle adjust the thigh. Where this is no longer possible is, but especially in the version made of flexi belen, synthetic polymeric material is on the An incision in the upper part of the ridge in the vertical direction introduced and glued a ridge elbow or -welded depending on the existing material.

An absolutely weatherproof chimney edging he gives himself when fillet formwork and battens or pans or roof tiles are connected with the chimney edging by means of a rolled lead edge, ie if the rolled lead edge structure is adapted to the surface structure of the adjacent roof. Therefore, the method according to claim 10 provides that the lower legs of the chimney edging - in the prefabrication - with a strip of rolled lead, by gluing, soldering, cold welding or the like. Are connected watertight on the underside and that the rolled lead edge on, in, is worked on under, or on the roof skin, or incorporated.

This procedure is an obvious advantage. As is well known is the surface in the fillet around a chimney around, due to the roof battens and the like to keep the lead of this structure as delicate as possible, d. H. without adjusting excessive stretching, more length is needed than the smooth, unstructured side of the rectangle Has chimney surround. For corrugated versions or concertina-folded versions, however, he is required adjustment length of the rolled lead due to this Structure already exists and it can be conveniently placed in and on the Roof skin to be incorporated or worked on. At chimney sockets made of polymer material, foils or the like So be prefabricated to the maximum and to adapt the Length can be folded in, it can be the same Several reasons prove necessary and beneficial Smaller folds instead of one  only large to the excess lead length over the distribute the entire frame side length and on or in the Work the roof skin on or in.

If the corner sectors of the chimney surround at the Thighs already in the workshop, i.e. at the Her position are cut in a circular arc, then ent cutting off any excess on the construction site. Thus, a white by the method according to claim 11 Achieved more work advantage, the required trades reduced hours at the construction site.

To solve the problem mentioned at the beginning a chimney or building mentioned at the beginning according to the invention also in that a right angular, ring-shaped closed frame body, at the thigh and lower leg lie flat on top of each other gene; on the inner edges, preferably in one piece the other connected leg that the frame body as a universal size for different roof pitches variable frame sides that the Thighs can be folded up and attached to the frame or Chimney corners in the shape of a corner sector inwards between Chimney and thigh foldable as well can be fixed in the folded position.

The chimney surround designed according to the invention is the first universally closed university salt surround, which is independent of chimney construction satchels and roof pitches can be prefabricated and  adaptable to the given conditions on site is. Even if it may be advantageous in special cases should be one or two intermediate sizes for difference Thanks to the appropriately trained universal chimney or construction body edging received the advantage that on the construction put only a fraction of the time to create and Mon days pass than when they were made in a known manner, by putting the chimney surround out on the spot Raw material is built. Even the finished chimney stone edging as a delivery item can be infol Series production is cheaper than by hand individual work, so that here too time is saved.

In series production, the usual Se reientechniken Material savings and other savings achieve gene so that it is possible according to the invention a chimney surround for the 1/2 or 1/3 price to create the usual one.

The essence of the chimney designed according to the invention Stone edging is that they are in the manufacturing process stood flat on top of each other thighs and lower legs Has. Due to the flat stacking of top and The lower legs have so much excess length that corner sec gates are present as a material that can be folded at the corners to tighten the thighs  the outer wall of the chimney. The length ver Modification of the frame sides of the chimney surround hangs depends on which material is used for the production.

In the development according to claim 13, which ge is characterized by the fact that the thighs on the outer edges the frame corners are circular, centered on the inside corner run, construction site work is saved, because it can out over the top of your thighs protruding material tips arise.

A solution to the change in length arises according to claim 14 in that the frame made of flexible-elastic, weather-resistant polymer material hen that the frame side lengths are greater than the largest possible side length, and adaptable to the required length by folding and gluing the folding surfaces are.

With these chimney surrounds, the length is adjusted caused by the formation of folds, the folds are fixed by gluing. The Corner sectors are glued and sealed in the same way folds. Chimney surrounds of such a material can be collapsed into small formats, so can be be kept in stock and transported because they take up little space, including manufacturing is with appropriate techniques, forms and the like particularly easy.  

In the chimney edging according to claim 15 is there ensure that the highest level of security regarding Weather resistance is achieved because the La The folds prevent the build-up of backwater face each other.

In the chimney surround according to claim 16 is before seen that the frame is made of sheet metal, to the Rectangular sides at least in the middle area accordion folded and pulled apart to the chimney size is cash.

In contrast to the design made of flexible material in this chimney edging from a shortest off guided out on the construction site to the target is stretched. A particularly cheap choice of materials is given if titanium zinc may also contain lead is used, that also for gutters and the like with Er is used because this material deals with Use suitable folding tools on the corner sectors fold in fold.

Claim 17 discloses a particularly elegant design. With this chimney surround it is provided that the Frame made of limited stiff-elastic, flexible, weather resistant plastic, like an accordion, is corrugated and can be adjusted in length by stretching the corrugation, that the ends of the thighs of the long rectangle pages below, the largest roof under consideration  corresponding angle of inclination, above the smallest roof egg angle corresponding to that of the short sides of the rectangle are cut off at right angles, at the end of the chimney a connector set on the stone side to 1/3 material thickness have the edge of the end of the connection Corner sectors with an arcuate outer edge, the made of flexible, weather-resistant plastic and 1/3 wall thickness of the thighs, turned glued or welded and for roof pitch adjustment are foldable.

In this version, rigidity, mechanical loading permanence, yet length adjustability in the relative thick material of the frame misplaced while the angles adaptation to the different roof pitches the corner sectors are limited and of comparatively thin, flexible material is taken over.

It is advantageous if, according to claim 18, the curl at wave height and distance from the center of each Rectangle side decreases towards the corners.

This version has the advantage that it is in the Be rich of the corners represents what the lower legs affects, while in the middle area by the starch kere curl optically favorable effects can be achieved.

A particular advantage arises when the chimney Stone border according to claim 19, characterized is that the frame is made of weatherproof, metal  fabric-reinforced plastic, the Metallge weave is elastic and bendable.

This arrangement leads to a division of labor in the work fabrics, because the plastic outer surface has le diglich for the necessary surface strength and Wit Resistance to aging while ensuring the metal mesh insert the shape properties, elasticity, bendability etc. available.

Because plastic can be used, results the possibility according to claim 20 that at least the visible surfaces of the thighs colored and / or right surface-like structure or be are stratified.

With the help of the aforementioned training, it is in the Practice of roofing possible for the first time Design of chimney in the architecture nisch, to bring aesthetic senses to effect, wäh hitherto it has been seen as a necessary evil without any particular one architectural attention was accepted the way they turned out.

The training according to claim 21 provides that to the Underside of the lower leg edge strips made of rolled lead glued, - welded or soldered.

The rolled lead edge enables chimney edging to adapt intimately and well to the given roof skin structure  sen, so that the highest weather security is achieved. The Use corrugated chimney surrounds over it the advantage that the rolled lead edge is also corrugated. The throat formwork, the roof battens lying on it, the As is well known, roof tiles, etc. require that the rolled lead follows these surface structures and structures, that is has a greater length than the stretched length of the Frame side. Due to the corrugations and folds of the frame menseiten the chimney designed according to the invention this excess material of rolled lead is bordered already automatically specified. At the chimney frames made of foils, which are made to length and can be folded in, it can be more than advantageous to fold in to adjust the length, so the excess lead length to the length of an distribution side and can be better used.

Due to different roof pitches, the upper stands legs of the chimney surround at the top and bottom tere frame sides, d. H. usually on the short Rectangular sides at an acute or obtuse angle to the Lower leg. In contrast, the thighs the long sides of the rectangle always perpendicular to the bottom leg. As a result of the laws of angular functions he the thighs appear at the top and bottom edges therefore shorter, or under certain circumstances the edge chamfers solution of the cap bar.

To prevent this, claim 22 provides that little  at least the top, short rectangle sides of the frame Thighs and thighs are wider than the long ones Have rectangular sides.

For cases where the intended material addition is too much, this can either be eliminated by folding or simply be cut off.

The chimney surround designed according to the invention is not standardized to the square or rectangular shape chimneys or other structures limited. In the In industry, but also in modern large-scale housing construction also often round roof openings that be a border allowed to. This is the chimney designed according to the invention stone edging particularly suitable by according to Claim 23 of frames for circular or domed, roof skin-penetrating structure made of accordion-like corrugation plastic formed as a round frame and suitable for fit is locally stretchable and stretchable. Through the adaptations Depending on the roof pitch, oval shapes result.

In the case of ridge breakthroughs, the procedure is as described above, by using a firing insert when the night The edge profile is not sufficient.

It should be emphasized that in the term building structure too Roof windows are to be understood, the installation of which is known difficult and their sealing sometimes quite considerable Problems. She is invented for such tasks chimney edging designed according to the invention is excellent  suitable.

In summary, it should be noted that it is fictional as possible, as standard in workshops or in prefabricated chimney surrounds under of different designs, but for each chimney standard for all eligible roof pitches as universal chamfers prefabricated solutions and on site with just a few Easy steps to the given construction site situation adapt or install. The work result is not more of the manual skill of the person concerned Depending on the craftsman, chimney solutions according to the invention are installed by auxiliary staff. For the first time, there are chimney possibilities solutions as optical, aesthetic elements in one Include construction. The invention also includes the Requirements to combine materials. So can Sheet metal frame z. B. also provided with corner sectors made of foils will.

The problem of the invention and the method according to the invention and embodiments of a fiction according to trained chimney edging are in the Drawings shown. Show it:

Fig. 1 is a schematic side view from which the change in length of the frame sides of a chimney enclosure at un terschiedlicher roof pitch is recognizable bar,

Fig. 2 is a schematic side view of wel cher the change of the installation height of the thigh of a chimney stone surround the upper and lower region of a chimney stone recognizable,

Fig. 3 is a perspective view of an embodiment of a chimney stone surround predominantly flexible synthetic polymeric material,

Fig. 4 shows the detail IV of Längenanpas solution in the chimney enclosure as shown in FIG. 3 in sectional view and on an enlarged scale,

Figure 5 shows the detail V in FIG. 3 by spektivisch stab. In enlarged dimension,

Fig. 6 is a plan view version to a fiction, designed according Schornsteinein,

Fig. 7 is a sectional view according to line VII-VII in Fig. 6,

Fig . 8 is a partial top view of another embodiment of a chimney surround;

Fig. 9 is a sectional view taken along the line IX-IX in Fig. 8 extending cutting plane,

Fig. 10 is an enlarged scale sectional view taken along the line XX in Fig. 8,

Fig. 11 is a perspective view of another embodiment of a chimney stone surround is made of metal in mounted condition,

Fig. 12 u. 13 details of a folding tool that can be used for the enclosure according to FIG. 11,

Fig. 14 is a schematic view of the application of the invention designed according to chimney enclosure at a first breaking through the chimney,

Fig. 15 is a partial sectional view of an embodiment of a more advanced white chimney stone surround in the corner region,

Fig. 16 is a plan view of the corner region of the stack facing embodiment of FIG. 15,

Fig. 17 is a side view of a portion of the sides of a Schornsteinein version according to FIG. 15/16.

FIG. 1 shows a chimney 1, in the place of which any other structure could penetrate, which breaks through a roof skin 2 shown in the diagram, including structures that are not perpendicular. Chimneys 1 are standardized in practice, but actually fall out of the handcrafted manufacture in size tolerances of several centimeters; these tolerances must be compensated for by the roofer.

In practice there are different inclinations of the roof skin 2 , it starts with a flat roof according to line 2 a and ends with an extremely steep roof, e.g. B. Line 2 b in Fig. 1st

A weatherproof, in particular waterproof connection between the chimney 1 and the roof skin 2 must be made by means of a chimney 3 , which is not shown in Fig. 1. If one considers the side length of such a chimney solution 3 in FIG. 1 for a flat roof according to line 2 a and compares it to line 2 b , it can be seen that the side length of line 2 a is the distance x at line 2 b enlarged, almost doubled in the present case. This change in side length is one of the reasons why chimney versions 3 have so far been crafted from raw material, preferably sheet metal, made on site and adapted to the situation of the building.

Each chimney surround 3 requires - see Fig. 3 - in general the shape of a rectangular, ring-shaped self-contained frame 4 , the long frame sides 5 and short frame sides 6 , each frame side 5 or 6 consists of a lower leg 7 , which in the level of the roof skin lies and in addition to that has a thigh 8 , which is adapted to the outer surfaces of the chimney 1 and must be applied.

Not shown in FIG. 3 is a cap strip, which is attached to the chimney 1 , engages in a U-shape from above over the upper edge of the thighs 8 and closes them rain and moisture-proof after the introduction of a permanently plastic putty or the like. As a result of the different roof slopes, as shown in FIG. 2, there are also different, required widths or heights of the thigh 8 of the short frame sides 6 , which can be plumbed by the projection of the inclined upper leg. It can be seen that the projection by a distance y is shorter than the actual length of the thigh 8 in the vertical. But since the thighs 8 on the long sides 5 are at right angles to the lower leg 7 , this shortening by a distance y can never result; Thus, the femoral 8 is dimensioned on the short sides of the frame 6 the same length as the long sides 6, the upper edges of the femoral Kappleisten the 8 can not cover.

All of these reasons have led to the chimney surrounds 3 having previously been made and adapted from raw material on the construction site in the manner already mentioned.

Fig. 3 shows an inventive chimney skirt 3 which in the example shown consists of a plastic or synthetic polymeric material (plastic), which is largely flexible, weather resistance and has sufficient mechanical strength. In contrast to the previous procedure, this chimney surround 3 is prefabricated in the workshop or industrially; it has the shape according to FIGS. 6 and 7 in plan view, FIG. 6 showing a plan view. Fig. 7 shows that the chimney surround 3 in the pre-fabricated state has thighs 8 and 7 lower legs. The two legs 7 , 8 are integrally connected to each other on the inner edges of the rectangular shape. The thighs 8 are rounded at the corners on the outside in a circular arc and form corner sectors 9 .

On the lower leg 7 , at least in the edge area, edge strips 10 made of rolled lead, glued, welded or the like.

When the chimney enclosure is made of plastic flexible Texture 3, it is essential that their long rectangular sides 5 have to be formed so long that it for the relevant, standardized chimney stone even in heavy roof inclination the necessary pages length including possible excesses of the chimney 1 exhibit. Likewise, the short frame sides 6 must have as much oversize as the possible tolerances in the chimney manufacture require.

The chimney surround 3 , which is prefabricated in the factory as a universal size, is now placed over the chimney and then subjected to a length adjustment on pages 5/6. This length adjustment is carried out by first folding the upper and lower legs 8 , 7 apart and then forming a fold 11 , see FIG. 3, into which the excess length is accommodated and fixed by gluing. The fold is always attached so that the material is pushed from the bottom up under the upper part, so that rain water can run down over the open fold. Possibly necessary folds on the short frame mens pages 6 are placed so that they run opposite to the weather side, so the folding joint is in the slipstream.

Instead of a single fold 11 , it may also be advantageous to spread the excess length of the long frame side 5 or the short frame side 6 over a plurality of folds 11 in order to distribute the rolled lead edge 10 more uniformly over the frame side length 5 , 6 and more favorably into the surface structure to be able to incorporate the adjacent roof skin 2 . Fig. 4 shows a sectional view, the folding 11 in enlarged scale.

It should be noted that the glued or welded rolled lead 10 with flexible foils can provide an additional, stronger hold, a more stable support on the fillet formwork and the adjacent roof membrane than without the rolled lead edge.

The corner sectors 9 serve to compensate for the different angular relationships in the region of the upper legs 8 . On the lower edge of each thigh 8 , the corner sector 9 is analogously folded like the fold 11, but behind the thigh 8 of the long side 5 and fixed by gluing. Fig. 5. On the wetterabge facing upper edge or corner of the chimney 1 is folded analogously, but expediently behind the thigh 8 of the short frame side 6th On the weather side, it may be more favorable to fold the fold in at the top edge under the thigh of the long side 5 .

In order to make sure that the thighs 8 of the short frame sides 6 also fit under the not shown trimming bar, in contrast to the top view, the chimney surround 3 according to FIG. 6, the short frame side 6 according to FIG. 16 is formed much longer or wider than that of long rectangle or frame sides 5 . Due to this measure, the missing distance y is compensated for according to FIG. 2, ie the uniform height of the upper edges of the thighs 8 can be achieved either by the appropriate length or by eliminating an excess length, e.g. B. be made by cutting or folding away, so that a uniform height around running, not shown cap strip includes all the upper edges of the thighs 8 full.

Fig. 8 shows a schematic partial view that instead of a flexible plastic z. B. sheet metal, such as titanium zinc or lead can be used as a material for the chimney stone surround 3 if, as shown in FIGS . 6 and 10, superimposed upper and lower legs 7 and 8 , together at least in the middle Be accordion-like folded are, see also Fig. 9 and 10, reproduce the sectional views. If the long and short sides at least in the accordion are folded accordionally and pressed as close as possible to each other, then they contain memory length that can be freed by pulling in the direction of arrow 12 in FIG. 10. In such a case, however, the chimney socket 3 must be dimensioned shorter than it corresponds to dimension 2 a in Fig. 1, because minus tolerances of the chimney version must also be taken into account. Titanium zinc is an alloy that is relatively ductile, and in which the extraction to the desired side length 6 or 5 can be carried out comfortably by hand; the same applies to lead lead. Fig. 11 shows such a chimney stone surround 3 in perspective view in partial view. To produce the folds 11 of the corner sectors 9 of the thighs 8 , the use of a folding tool shown in perspective in FIGS . 12 and 13 is recommended in this case. This consists of two high-strength legs 13 , which are in the right angle to each other and are inserted between the chimney wall and thigh 8 from above. Both legs 13 have a folding slot 14 . Through pin holes 15 , which go through, a bracket 16 is plugged in, in which an abutment pin 17 is men. In the slot 14 , the material of the chimney surround 3 is pushed as far as possible by hand. Then, the actual, be folded Ele ment, a wedge-shaped, flat-rounded work part 18 which has in the upper region a slit cam 19 pushed over the abutment pin 17 inserted who the can, by pushing in the slot 19 on the bolt 17, simultaneously pressing and swinging in Rich direction of the arrow 20 , the material of the thigh 8 can be drawn into the slot 14 in a wedge shape with a corresponding lever arm, the upper leg 8 snugly fitting against the chimney outer surfaces. The molded part 18 is then removed again via the slot 19 and the device or the tool can be removed by pulling up the legs 13 , 14 . It is important that on the holding device 16 a leg 21 fixed at right angles by the pins and holes 15 is held at such a distance from the counter leg that the right angular position and the necessary distance to the chimney are ensured.

In dash-dotted lines it is shown that the lever arm 22 can also extend vertically upwards.

In addition to the operation indicated, the wedge can also be driven into the gap 14 by threaded spindles or the like. By pulling the holding part 16 out of the holes 15 , the conversion to right and left for all corners of the chimney 1 can be carried out comfortably, that is, only a single tool is required.

FIG. 14 shows an embodiment in which a chimney stone 1, a roof 2 in a ridge area 23 breaks. In such a case, the chimney piece 3 according to FIG. 6, which consists of plastic, may have to be cut 24 and a ridge sector part 25 may be glued or welded in to cover the ridge angle. In embodiments of the chimney 3 stone surround according to Fig. 8, 9, 10 is the possi bility that such an incision is not necessary, at least at lower First angles, but that the widening by appropriate stretching of the folded structure it is.

Fig. 17 shows an embodiment of a chimney socket 3 in partial view, is used in the corrugated plastic. In general, the corrugated structure is also made in accordion-like manner in this embodiment, ie in the position according to FIG. 6, with the lower leg 7 and thigh 8 lying flat on top of one another, with the shortest possible measurement being slightly undercut according to the metal design. In the case of corrugated plastic, layer material with a metal mesh insert can be used, the metal mesh ensuring stability, flexibility and eventual elasticity, while the plastic mainly offers surface hardness, weather resistance, etc. In contrast to the embodiments according to FIG. 6 or 8, 9, 10, in this case the material wall is thicker. In addition, the corrugation shown in FIG. 17 is expediently designed to be high and wide in the central region and smaller and weaker to flat at the corners. So there are also initially advantageous flat corners of the chimney surround 3 on the other hand optically attractive designs.

An exact wave impact at the corners is also possible. From the experience that the corner sectors 9 always stretch from a right angle in the area of the thigh 8 on the short frame side 6 to a more or less inclined edge area of the thigh 8 of the long frame side 5 depending on the roof pitch, he will at the chimney surround 3 according to Figs. 15 and 16, 17 the procedure is such that the thigh 8 are cut off at the short sides of the frame 6 at right angles to the fold line at the top and bottom edges of the long sides of the frame 5 but at an angle such that the cutting edge is selected at the lower edge so becomes, as could be the case with the strongest roof pitch in question and at the top edge as could be the case with the lowest roof pitch in question. The thickness of the interfaces is reduced according to FIG. 15, so that connecting edges 26 are formed, the thickness of which only results in 1/3 of the wall thickness of the remaining area. The corner sectors 9 are made of a flexible material and welded or glued into the connecting edges 26 . This flexible material of the corner sectors 9 , has only 1/3 wall thickness of the rest, other material of the chimney socket 3 , but is weatherproof. If the foldings not shown in FIGS . 15 to 17 are carried out, then the total thickness of the folded-in corner sectors 9 is not greater than that of the adjacent material of the chimney edging 3 . The result is a smooth surface run and a particularly elegant appearance.

You can see the embodiment of FIGS. 15 to 17 used to shape the surface of the plastic color, and / or surface structured to pattern. In this way, the embedding of the corner sectors 9 can be concealed by appropriately embossing lines, elevations or the like. Architecturally, effective measures can be taken that make the chimney surround 3 a design element in the roof architecture.

Not shown, but included within the scope of the invention, are application measures of the chimney surround for round roof-breaking bodies for roof windows and the like, where the adaptation is carried out analogously as described must be led.

Other combinations of materials than described are also possible, e.g. B. chimney surrounds 3 made of sheet metal with corner sectors 9 made of plastic. Due to the possibility of standard, especially industrial prefabrication of unit sizes that only need to be adjusted on the construction site, and the adaptation measures usually extend to make folds, and to process the rolled lead 10 on or in the roof skin considerably saved time and money and it is also not necessary to use highly qualified craftsmen, so that chimney surrounds according to the invention only cost a fraction of the previous price.

Claims (23)

1. A method for producing a weatherproof, in particular rainproof transition from the surface of a roof to a perpendicular structure that breaks through the roof skin, for example a chimney in which the deformable, strip-shaped material is applied angularly with one leg to the flanks of the structure and with that to the legs is incorporated in, on, under, or on the roof covering, whereby a chimney or structure surround enclosing the structure in an annular manner is formed and the upper edges of the legs adjacent to the structure or chimney are guided under a cap strip attached to the structure and, for example, by means of permanently plastic Kitts be sealed, characterized characterized
that the chimney surround is prefabricated in a uniform format for each chimney type and size for all roof inclinations that come into consideration as an already closed, preferably rectangular frame body, in which a lower leg is connected to an overlying thigh along the inner edge of the rectangular leg,
that the prefabricated chimney surround on the construction site is placed from above or around the chimney or the structure, after which the lower leg is brought into the plane of the roof skin, the thigh is at least partially pivoted upwards and in particular the long rectangular sides of the roof pitch-related side length Short sides of the rectangle, if necessary. The tolerance-related length deviation of the upper and lower chimney or building width are adjusted, after which the upper legs are brought into contact with the chimney or building walls one after the other and then the, depending on the roof pitch at different angles, excess corner sectors of the Thighs on the frame corners between the thigh and the chimney or building wall are folded and fixed. 2. The method according to claim 1, characterized in that the chimney surround made of flexible and elastic work fabric, e.g. B. a polymer plastic or the like., The short rectangle sides with a small, the widths Tolerance of the chimney or structure exceeded tendency excess, the long sides of the rectangle with a the length when the roof pitch exceeds the greatest be made, the length adjustment to the Long sides by folding upwards, with the short ones by folding against the weather side becomes. 3. The method according to claim 1, characterized in that the chimney surround is prefabricated from sheet metal, long and short pages with one on top of the other Thighs and lower legs, in the middle area of her Length folded like an accordion and in the folds are pushed together, the lengths of the folded sides the shortest tolerance value of the  Chimney or building width or the smallest Slightly undercut the length with the smallest roof pitch tend to be sized and that the folds on the construction when putting the chimney socket on the through the respective roof pitch on the chimney or Building-related length can be stretched. 4. The method according to claim 1, characterized in
that the chimney edging is made from a limited stiff-elastic elastic accordion-like corrugated weather-resistant plastic, the lengths of the sides of the rectangle being shorter than required for the slightest roof pitch or chimney tolerance and brought to the building site by stretching the corrugation to actual dimensions ,
that the thighs of the long sides of the rectangle are cut off at the ends at the ends corresponding to the strongest roof pitch corresponding to a flat roof and tapered down to a narrow, external connection edge about 1/3 thick, that the thighs of the short sides of the rectangle cut off at right angles and with a, Connecting web which is the same as that at the ends of the thighs of the long sides of the rectangle in cross section,
that in the connecting edges flexible, weather-resistant plastic films of 1/3 material thickness of the legs as corner sectors with rounded corners are welded or glued and folded accordingly when installing the roof pitch. 5. The method according to claim 4, characterized in that the height and width of the corrugation from the center one each the rectangle side starting in the direction of the corners redu is decorated. 6. The method according to claim 4 and / or 5, characterized records that the chimney surround from metallge weaved plastic is produced, with a Plastic with flexible, weatherproof Ver hold and a bendable, limited elastic metal fabric is used. 7. The method according to one or more of claims 1 to 6, characterized in that
that the upper and lower legs of the short sides of the rectangle are made wider than those of the long sides of the rectangle and
that during installation, depending on the roof pitch, excess widths of the thigh are eliminated by bending or severing. 8. The method according to one or more of claims 1 to 7, characterized in that at least the thighs the outside of the chimney is colored and / or can be produced in relief-like surface textures. 9. The method according to one or more of claims 1 to 8, characterized in
that the thighs of the long sides of the frame of ridge-breaking chimneys or structures are adapted to the ridge angle either by stretching the concertina-like structure or by cutting and welding or gluing a ridge angle piece, and
that the rolled lead edge is worked on or in, or on the roof skin. 10. The method according to one or more of claims 1 to 9, characterized in that the lower leg of the chimney stone edging - in prefabrication - with a streak fen from lead, by gluing, soldering, cold welding or the like. watertight at the bottom who connected the and that the rolled lead edge on, in, or on the roof skin is worked on, worked on or incorporated. 11. The method according to one or more of claims 1 to 9, characterized in that the corners of the thigh the chimney surround before delivery the construction site along the outside edge along one the inner corner of the circular arc centered round will. 12. Chimney or building edging, which connects the walls of a chimney or building with a waterproof and weatherproof roof skin and which consists of angled material which has a thigh lying on the chimney and a lower leg running in the plane of the roof, in particular characterized in performing the method according to one or more of claims 1 to 11,
that a rectangular, annularly closed frame body, in which the upper and lower legs ( 8 , 7 ) lie flat on one another; on the inner edges, preferably has a leg connected to one another in pieces,
that the frame body as a universal size for different roof slopes has length-variable frame sides ( 5 , 6 ),
that the thighs ( 8 ) can be folded up and folded in on the frame or chimney corners in the manner of a circular sector inwards between the chimney and thighs (item 9), and can be fixed in the folded position. 13. chimney surround according to claim 12, characterized in that the thighs ( 8 ) at the outer edges of the frame corners arcuate, zen triert to the inner corner. 14. chimney surround according to claim 12 and / or 13, characterized in
that the frame ( 3 ) consists of flexible, elastic, weather-resistant polymer material,
that the frame side lengths are larger than the largest possible required side length, and surfaces can be adapted to the required length by means of folding ( 11 ) and adhesive bonding of the folding. 15. chimney surround according to claim 14, characterized in that for needs-based, length-fitting folding in the central region of the respective frame pages ( 5 , 6 ) on the side lengths, upper and lower leg length excess from bottom to top under the subsequent lengths above Upper and lower legs ( 5 ) can be inserted and the folds ( 11 ) of the transverse lengths are pushed in against the direction of the weather. 16. Chimney surround according to claim 12 and / or 13 characterized in that the frame ( 3 ) consists of sheet metal, folded on the rectangle sides at least in the central region like an accordion and can be pulled apart on the chimney dimension due to the roof pitch. 17. chimney surround according to claim 12 and / or 13, characterized in that
that the frame is made of limited rigid, resilient, weather-resistant plastic, is accordion-like corrugated and can be adjusted in length by stretching the corrugation,
that the ends of the thighs ( 8 ) of the long sides of the rectangle ( 5 ) un th, corresponding to the largest roof pitch angle, corresponding to the smallest roof pitch angle, which are cut off at right angles to the short sides of the rectangle ( 6 ), at the cut end chimney on the stone side / 3 material thickness offset have a Ver binding edge ( 26 ),
that on the connecting edges ( 26 ) corner sectors ( 9 ) with an arcuate outer edge, which consist of flexible, weather-resistant plastic and have 1/3 wall thickness of the thighs ( 8 ), glued or welded and foldable to the roof adjustment. 18. chimney surround according to claim 17, characterized in that the corrugation in wave height and distance from the center of each side of the rectangle ( 5 , 6 ) decreases in the direction of the corners. 19. Chimney surround according to claim 17 and / or 18, characterized in that the frame ( 3 ) consists of weather-resistant metal mesh reinforced plastic, wherein the metal mesh is elastic and bendable. 20. Chimney surround according to one or more of claims 17 to 19, characterized in that little least the visible surfaces of the thighs ( 8 ) colored and / or relief-like surface textured forms or are coated. 21. Chimney surround according to one or more of claims 12 to 20, characterized in that on the underside of the lower leg ( 7 ) edge strips ( 10 ) are glued, welded or soldered from rolled lead. 22. Chimney surround according to one or more of claims 12 to 21, characterized in that little least the upper of the short sides of the rectangle ( 6 ) of the frame ( 3 ) on the lower and thighs ( 7 , 8 ) a greater width than the long sides of the rectangle exhibit. 23. Chimney surround in particular according to claims 11 and 17, 19, 21, characterized in that the frame men ( 3 ) for round or curved roof skin-penetrating structure made of accordion-like corrugated plastic is formed as a round frame and is locally stretchable and stretchable for adaptation.