US20060037259A1 - Roof vent and method for installation - Google Patents
Roof vent and method for installation Download PDFInfo
- Publication number
- US20060037259A1 US20060037259A1 US10/918,925 US91892504A US2006037259A1 US 20060037259 A1 US20060037259 A1 US 20060037259A1 US 91892504 A US91892504 A US 91892504A US 2006037259 A1 US2006037259 A1 US 2006037259A1
- Authority
- US
- United States
- Prior art keywords
- roof
- base plate
- cap
- flange
- rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
- E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
- E04D13/1476—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally circular cross-section
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
A roof ventilation apparatus for a sloped roof having a cap and base plate is provided. The cap has a top surface and a bottom surface. The bottom surface has a flange that defines an opening to a cavity formed between the top and bottom cap surface. The cavity provides a path for air exchange from a roof opening through an air passage formed between the flange and cap top. The base plate has a flange surrounding a rim that fits inside the cap bottom cavity. The base plate preferably is shaped such that when installed on the sloped roof the cap entirely covers the base plate. Alternatively, a roof vent base plate with a flange having an angled edge configured to channel moisture is described. In addition, a method of installing a roof ventilation apparatus having a base plate and roof cap on a sloped roof is described.
Description
- The present invention is directed to flashing for roof vents. More specifically, the present invention is directed to a roof vent for ventilating a building with a pitched roof and methods for installing roof vents.
- There are various designs in existence for providing ventilation for the areas beneath building roofs. The ventilation of such areas is desirable to reduce the accumulation of heat and to reduce the accumulation of moisture in the attic or other spaces immediately below the roof. In providing ventilation, it is important to prevent the entry of water into the building structure through the vent. Also, it is desirable to prevent debris and small animals from entering the building structure though the vent. Ultimately, the benefits of a properly constructed roof vent will prolong the life of the roof, virtually eliminate leaks caused by ice dams, reduce cooling bills, and reduce moisture build up in the attic that can lead to rot.
- To protect buildings and their contents from water damage, roofers repair and install roofs made of tar, asphalt and gravel; rubber, thermoplastic; metal; or shingles made of asphalt, slate, fiberglass, wood, tile, or other material. There are two types of roofs—flat and pitched (sloped). Pitch is the change in roof height for a horizontal distance (e.g., a 4 pitch roof changes height by 4 inches for every 12 inches of horizontal distance). Many commercial, industrial, and apartment buildings have flat or slightly sloping roofs for drainage (i.e., roofs with minimum pitch of less than 2 pitch). Many residential houses have pitched roofs.
- Flashing has been used for decades to weatherproof roof penetrations. Flashings protect the roof where moisture could get under it, such as at joints in the roof, places where a vent pipe or chimney pokes through, a valley where two roof surfaces meet, or where a roof meets a wall. Some flashings are installed before the roofing goes on, others are put in place along with the roofing. Flashing is widely used with shake, composite and wood shingles and roll roofing. Like many flashing pieces, the vent flashing often is installed between shingle courses.
- Flashings for pipes and other roof penetrations are sometimes made from thin sheet metal that is cut and formed into the desired shape by construction workers at the building site. The flashing is usually formed from one piece of sheet material that has a central opening cut therein to fit about the roof penetration. Thereafter, a sealing material, such as caulk or tar, is placed about the juncture of the roof penetration and the central opening in the sheet material.
- Roof vents (or turbine vents) come in many forms, but generally include some type of weather-shedding hood and a flange around the base that forms a seal between the vent and the surrounding roofing material. Some vents have a pipe that penetrates the roof surface and is exposed above the roof. Also, some vents have a tubular outside vent stack cover which is secured to a substantially flat roof flashing base plate. See for example U.S. Pat. No. 5,778,611 to Michel, “Vent Extension Flashing Assembly”, issued Jul. 14, 1998. In other roof vents, the pipe remains exposed through the base plate flashing assembly. See for example U.S. Pat. No. 4,333,660 to Cupit, “Seal Device for Pipe Projecting through Roof”, issued Jun. 8, 1982. Ultimately, to make a roof vent installation watertight, the most basic rule is to cover the vent flanges with roof material on the high side towards the roof ridge and along the edges of the vent, and cover the roofing material with the vent flange on the low side.
- In addition, roof vents are sometimes assembled from essentially planar sheet material so that a portion of the sheet material about the central opening lies in approximately the same plane as the remaining portion of the sheet material. Such construction leads to increased likelihood of leakage at the central opening. An example of such a roof vent is disclosed in U.S. Pat. No. 4,570,396 to Struben, “Roof structure for mobile homes”, issued Feb. 18, 1986.
- A need exists for an inexpensive roof vent system that channels water away from the roof opening with improved moisture sealing capability while maintaining simplicity in the installation process. The present invention provides a solution to these needs, and offers other advantages over the prior art.
- In accordance with one embodiment of the invention, a roof ventilation apparatus configured and arranged to be installed on a sloped roof over a roof opening is provided. The roof ventilation apparatus includes a cap and a base plate. The cap has a top surface and a bottom surface. The top surface is configured to cover at least a portion of the roof opening. The bottom surface has a flange that defines an opening to a cavity formed between the top and bottom cap surface. The flange extends outward relative to the cavity. The cavity is configured to provide a path for air exchange from the roof opening through an air passage formed between the flange and the cap top. The base plate has a flange surrounding a rim. The rim preferably is shaped such that the rim fits inside the cap bottom cavity. The base plate preferably is shaped such that when installed on the sloped roof the cap entirely covers the base plate. Alternatively, a roof vent base plate with a flange having an angled edge configured to channel moisture is described. In addition, a method of installing a roof ventilation apparatus having a base plate and roof cap on a sloped roof is described.
- Additional advantages and features of the invention will be set forth in part in the description which follows, and in part, will become apparent to those skilled in the art upon examination of the following or may be learned by practice of the invention.
-
FIG. 1 is a perspective view of a roof ventilation apparatus installed on a roof with a partial cutaway showing roof sheathing. -
FIG. 2 is a perspective view of a roof ventilation apparatus installed on a sloped roof and revealing the attic underneath the sloped roof. -
FIG. 3 is a cutaway view of a roof ventilation apparatus. -
FIG. 4 is an exploded cutaway view of a roof ventilation apparatus. -
FIG. 5 is an exploded view of a roof ventilation apparatus. -
FIG. 6 is a perspective view of a base plate covered by roofing paper and a partially cutaway view of roof sheathing. -
FIG. 7 illustrates alternative embodiment shapes of a base plate in accordance with the present invention. -
FIGS. 1 and 2 are a series of perspective views presenting aroof ventilation apparatus 100 to be used on sloped roofs. The pitch, or slope of the roof, should preferably be greater than 2 inches.FIG. 1 illustrates a partial cutaway view of a shingle roof with a roof sheathing 107 underneath. InFIG. 2 theroof ventilation apparatus 100 is installed on a shingle roof to ventilate anattic 101. It will be appreciated by those skilled in the art that theroof ventilation apparatus 100 can be used to ventilate most types of commercial and residential roofs. Moreover, shakes, tiles, and other roofing materials can be used in alternative ofshingles 114.FIG. 2 also illustrates aridge 105 androof deck 116. -
FIG. 3 is a cutaway perspective view illustrating the layers of parts used that together form a preferred embodiment of theroof ventilation apparatus 100.FIG. 4 is an exploded partially cutaway view of theroof ventilation apparatus 100 with the same parts shown onFIG. 3 .Base plate 108 is positioned onroof deck 116 having anopening 120. Theopening 120 can be any regular or irregular shape.Base plate 108 is attached toroof deck 116 withnails 124. However, it will be appreciated by those skilled in the art that other forms of attachment such as screws and adhesives may be used without departing from the scope and spirit of the present invention.Roofing paper 106 is set overbase plate 108. In the alternative, asphalt—impregnated felt or other underlayments may be added or substituted forroofing paper 106.Caulk bead 118 is used to sealroofing paper 106 overbase plate 108 andbase plate rim 110. It will be appreciated by those skilled in the art that thecaulk bead 118 may be omitted or other forms of adhesive may be used instead ofcaulk bead 118.Vent cap 102 is fitted overbase plate 108 such thatvent cavity 112 encirclesbase plate rim 110.Vent cavity 112 andbase plate rim 110 can be formed in any shape. In preferred embodiments,base plate rim 110 has a diameter (e.g. 8 inches) smaller than that of the cap bottom surface cavity 112 (e.g. 8½ inches). It will be appreciated by those skilled in the art that ventcap 102 can be either loosely or tightly fitted aroundbase plate 108.Bottom surface flange 104 entirely coversbase plate 108 after installation.Shingles 114 are then installed over capbottom surface flange 104. Moisture is not likely to enter theroof opening 120 becausebottom surface flange 104 entirely coversbase plate 108 overroofing paper 106. When fully installed, only thevent cap top 103 is visible on the roof. -
FIG. 5 is also an exploded view of theroof ventilation apparatus 100.FIG. 5 shows thebase plate 108 being installed on aroof deck 116. It will be appreciated by those skilled in the art that thebase plate 108 can be installed on any type of roof deck and roof sheathing such as plywood. Furthermore, theroof ventilation apparatus 100 is preferably constructed from a twenty to twenty-five gauge galvanized steel. The majority in this field prefer to utilize a twenty-five gauge due to the lighter weight and manageability as compared to the heavier twenty gauge steel. As an alternative other materials may be used for constructing theroof ventilation apparatus 100, such as aluminum, copper, urethanes, and polymers. However, it will be appreciated by those skilled in the art that galvanized metal is preferred over polymers because polymers tend to crack and curl with changing weather and are less weather resistant than metal. -
FIG. 6 illustrates thebase plate 108 covered by theroofing paper 106. A partial cutaway inFIG. 6 reveals theroof deck 116 underneath both thebase plate 108 androofing paper 106.FIG. 7 illustrates some possiblealternative embodiments 201 through 205 of thebase plate 108. Alternativeembodiment base plates corners 122 that angle moisture away from thebase plate rim 110. Another alternative embodiment (not shown) could have a peaked corner off center or even moved to one corner such that the angle goes from a peak at one corner to a low point at another corner. Alternativeembodiment base plate 205 has dubbed corners that channel moisture down the sides ofbase plate 108 away frombase plate rim 110. When installed, both the peaked and dubbed corners point towards the high side of the roof (i.e., towards the roof ridge 105) and prevent the entry of moisture into the roof opening. Alternativeembodiment base plates base plate rim 110 along a curved edge but otherwise similar to the mechanism provided for in the peaked and dubbed corners of alternativeembodiment base plates - It is to be understood that even though numerous characteristics and advantages of various embodiments of the present invention have been set forth in the foregoing description, together with details of the structure and function of various embodiments of the invention, this disclosure is illustrative only, and changes may be made in detail, especially in matters of structure and arrangement of parts within the principles of the present invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (12)
1. A roof ventilation apparatus configured and arranged to be installed on a sloped roof having an opening therethrough, the roof ventilation apparatus comprising:
a cap having a top surface and a bottom surface, the top surface configured to cover at least a portion of the roof opening, the bottom surface having a flange defining an opening to a cavity formed between the top and bottom cap surface, the flange extending outward relative to the cavity, the cavity configured to provide a path for air exchange from the roof opening through an air passage formed between the flange and the cap top; and
a base plate having a flange surrounding a rim, the rim being shaped such that the rim fits inside the cap bottom cavity, the base plate being shaped such that when installed on the sloped roof the cap entirely covers the base plate.
2. The roof ventilation apparatus of claim 1 wherein the base plate flange is substantially planar and extending outward from the rim.
3. The roof ventilation apparatus of claim 1 wherein the base plate rim extends substantially perpendicular from the base plate flange.
4. The roof ventilation apparatus of claim 1 wherein the base flange has dubbed corners such that when installed on a sloped roof, the dubbed corners can be oriented towards a roof ridge.
5. The roof ventilation apparatus of claim 1 wherein the base plate and vent cap are prepared from galvanized steel.
6. The roof ventilation apparatus of claim 1 wherein the base plate and vent cap are prepared from a flexible, durable, and weather resistant material.
7. A roof vent base plate that is operatively configured to be installed on a sloped roof having an opening therethrough, the roof vent base plate comprising:
a flange having at least one angled edge, the flange surrounding a rim, the rim being shaped such that the rim fits inside a cap cavity.
8. The roof vent base plate of claim 7 wherein the at least one angled edge comprises dubbed corners configured and arranged to be oriented towards a roof ridge.
9. The roof vent base plate of claim 7 wherein the at least one angled edge comprises peaked corners configured and arranged to be oriented towards a roof ridge.
10. The roof vent base plate of claim 7 wherein the at least one angled edge comprises a curved edge configured and arranged to be oriented towards a roof ridge.
11. A method of installing a roof ventilation apparatus on a sloped roof having an opening therethrough, comprising steps of:
mounting a base plate to a sloped roof deck or roof sheathing;
fixing roofing paper having an opening therethrough over the base plate;
nailing a roof vent cap over the rim of the base plate; and
fitting shingle courses over a flange of the base plate in a manner such that only the roof vent cap is exposed.
12. The method of claim 11 further comprising a step of sealing the rim of the base plate with a bead of caulk.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/918,925 US20060037259A1 (en) | 2004-08-17 | 2004-08-17 | Roof vent and method for installation |
US12/178,298 US7882670B2 (en) | 2004-08-17 | 2008-07-23 | Roof vent base plate and installation methods |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/918,925 US20060037259A1 (en) | 2004-08-17 | 2004-08-17 | Roof vent and method for installation |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/178,298 Continuation-In-Part US7882670B2 (en) | 2004-08-17 | 2008-07-23 | Roof vent base plate and installation methods |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060037259A1 true US20060037259A1 (en) | 2006-02-23 |
Family
ID=35908335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/918,925 Abandoned US20060037259A1 (en) | 2004-08-17 | 2004-08-17 | Roof vent and method for installation |
Country Status (1)
Country | Link |
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US (1) | US20060037259A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100184366A1 (en) * | 2009-01-22 | 2010-07-22 | Hassenstab Steve C | Cover for a static roof vent |
US20120073239A1 (en) * | 2010-09-23 | 2012-03-29 | Haines Jacob L | Flexible-Based Roof Vent for Metal Roofing |
USD873984S1 (en) | 2017-09-13 | 2020-01-28 | Lomanco, Inc. | Vent |
USD874638S1 (en) | 2017-09-13 | 2020-02-04 | Lomanco, Inc. | Portion of a vent |
US10746421B2 (en) | 2015-11-13 | 2020-08-18 | Lomanco, Inc. | Vent |
Citations (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2214183A (en) * | 1935-03-25 | 1940-09-10 | Carey Philip Mfg Co | Roofing and ventilated roof structure |
US3460855A (en) * | 1968-05-08 | 1969-08-12 | Louver Mfg Co Inc | Angular adjustable roof tubular coupling for mounting turbine ventilator |
US3593478A (en) * | 1969-12-12 | 1971-07-20 | Marathon Equipment & Supply Lt | Roofing installation |
US3797181A (en) * | 1966-10-10 | 1974-03-19 | Zelda Nievelt | Roof vent pipe shield |
US3934383A (en) * | 1973-07-09 | 1976-01-27 | Perry Loren L | Roof vent |
US3938429A (en) * | 1971-09-19 | 1976-02-17 | Plastic Components, Inc. | Roof air vent |
US3984947A (en) * | 1975-07-31 | 1976-10-12 | Johns-Manville Corporation | Roof structure including a one-way vapor vent |
US4333660A (en) * | 1977-01-17 | 1982-06-08 | Cupit George M | Seal device for pipe projecting through roof |
US4386488A (en) * | 1980-12-09 | 1983-06-07 | Gibbs Michael J | Vent apparatus for insulated roof structures |
US4512119A (en) * | 1982-08-13 | 1985-04-23 | Foam-Lag Industries Pty. Ltd. | Apparatus for roof flashing |
US4570396A (en) * | 1983-11-09 | 1986-02-18 | Struben Francis L | Roof structure for mobile homes |
US4768812A (en) * | 1987-11-02 | 1988-09-06 | Multi-Flashings, Inc. | Flashing for roof vent pipes |
US4899505A (en) * | 1982-09-13 | 1990-02-13 | Keith Muters | Roof ventilator |
US5005328A (en) * | 1988-10-21 | 1991-04-09 | Johannes Klober | Roofing vent cover with plug detent connection |
US5226263A (en) * | 1991-08-22 | 1993-07-13 | Wil-Mar Products, Inc. | Weather-tight roof flashing shield |
US5394663A (en) * | 1993-06-09 | 1995-03-07 | Man-U-Co, Inc. | Pipe flashing vent |
US5439417A (en) * | 1994-11-02 | 1995-08-08 | Cor-A-Vent, Inc. | Roof ventilating cap |
US5449582A (en) * | 1994-06-06 | 1995-09-12 | Xerox Corporation | Processes for pigment dispersion and articles therefrom |
US5472241A (en) * | 1993-04-30 | 1995-12-05 | Kosik, Jr.; Walter | Interiorly installable exterior surface mount |
US5630752A (en) * | 1995-12-11 | 1997-05-20 | Gubash; Peter J. | Low profile air vent for slanted roof |
US5778611A (en) * | 1996-12-20 | 1998-07-14 | Michel; Daniel | Vent extension flashing assembly |
US5860256A (en) * | 1994-12-09 | 1999-01-19 | Ips Corporation | Two-piece roof vent flashing and method for making same |
US6102794A (en) * | 1999-05-21 | 2000-08-15 | Cline; Roger M. | Roof vent |
US6185885B1 (en) * | 1999-01-08 | 2001-02-13 | Ken Thaler | Roof flashing assembly |
US6202372B1 (en) * | 1999-06-14 | 2001-03-20 | Andy L. Powell | Off-ridge roof vent |
US6240690B1 (en) * | 2000-02-02 | 2001-06-05 | Roof & Metal Systems, Inc. | Vented metal roof |
US6279272B1 (en) * | 2000-11-10 | 2001-08-28 | Andrew J. Nill, Jr. | Full coverage vent pipe flashing |
US20010049261A1 (en) * | 2000-05-29 | 2001-12-06 | Canplas Industries Ltd. | Vent for venting a building enclosure |
US6447390B1 (en) * | 1992-08-04 | 2002-09-10 | O'hagin Harry Theodore | Method and apparatus for roof ventilation |
US6491579B1 (en) * | 1992-08-04 | 2002-12-10 | O'hagin Harry T. | Roof ventilation system and method |
US6578325B2 (en) * | 2000-10-05 | 2003-06-17 | John C. Henderson | Roof valley air intake vent |
US6601351B1 (en) * | 2002-01-25 | 2003-08-05 | Dee J. Zerfoss | Pipe flange system |
US6691469B2 (en) * | 2001-02-13 | 2004-02-17 | Joel N. Miller | Flashing for roof penetrations |
US6733381B1 (en) * | 2003-07-18 | 2004-05-11 | Kurt Ploeger | Roof vent and method of installation |
-
2004
- 2004-08-17 US US10/918,925 patent/US20060037259A1/en not_active Abandoned
Patent Citations (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2214183A (en) * | 1935-03-25 | 1940-09-10 | Carey Philip Mfg Co | Roofing and ventilated roof structure |
US3797181A (en) * | 1966-10-10 | 1974-03-19 | Zelda Nievelt | Roof vent pipe shield |
US3460855A (en) * | 1968-05-08 | 1969-08-12 | Louver Mfg Co Inc | Angular adjustable roof tubular coupling for mounting turbine ventilator |
US3593478A (en) * | 1969-12-12 | 1971-07-20 | Marathon Equipment & Supply Lt | Roofing installation |
US3938429A (en) * | 1971-09-19 | 1976-02-17 | Plastic Components, Inc. | Roof air vent |
US3934383A (en) * | 1973-07-09 | 1976-01-27 | Perry Loren L | Roof vent |
US3984947A (en) * | 1975-07-31 | 1976-10-12 | Johns-Manville Corporation | Roof structure including a one-way vapor vent |
US4333660A (en) * | 1977-01-17 | 1982-06-08 | Cupit George M | Seal device for pipe projecting through roof |
US4386488A (en) * | 1980-12-09 | 1983-06-07 | Gibbs Michael J | Vent apparatus for insulated roof structures |
US4512119A (en) * | 1982-08-13 | 1985-04-23 | Foam-Lag Industries Pty. Ltd. | Apparatus for roof flashing |
US4899505A (en) * | 1982-09-13 | 1990-02-13 | Keith Muters | Roof ventilator |
US4570396A (en) * | 1983-11-09 | 1986-02-18 | Struben Francis L | Roof structure for mobile homes |
US4768812A (en) * | 1987-11-02 | 1988-09-06 | Multi-Flashings, Inc. | Flashing for roof vent pipes |
US5005328A (en) * | 1988-10-21 | 1991-04-09 | Johannes Klober | Roofing vent cover with plug detent connection |
US5226263A (en) * | 1991-08-22 | 1993-07-13 | Wil-Mar Products, Inc. | Weather-tight roof flashing shield |
US6447390B1 (en) * | 1992-08-04 | 2002-09-10 | O'hagin Harry Theodore | Method and apparatus for roof ventilation |
US6491579B1 (en) * | 1992-08-04 | 2002-12-10 | O'hagin Harry T. | Roof ventilation system and method |
US5472241A (en) * | 1993-04-30 | 1995-12-05 | Kosik, Jr.; Walter | Interiorly installable exterior surface mount |
US5394663A (en) * | 1993-06-09 | 1995-03-07 | Man-U-Co, Inc. | Pipe flashing vent |
US5449582A (en) * | 1994-06-06 | 1995-09-12 | Xerox Corporation | Processes for pigment dispersion and articles therefrom |
US5439417A (en) * | 1994-11-02 | 1995-08-08 | Cor-A-Vent, Inc. | Roof ventilating cap |
US5439417B1 (en) * | 1994-11-02 | 1999-10-26 | Cor A Vent Inc | Roof ventilating cap |
US5860256A (en) * | 1994-12-09 | 1999-01-19 | Ips Corporation | Two-piece roof vent flashing and method for making same |
US5630752A (en) * | 1995-12-11 | 1997-05-20 | Gubash; Peter J. | Low profile air vent for slanted roof |
US5778611A (en) * | 1996-12-20 | 1998-07-14 | Michel; Daniel | Vent extension flashing assembly |
US6185885B1 (en) * | 1999-01-08 | 2001-02-13 | Ken Thaler | Roof flashing assembly |
US6102794A (en) * | 1999-05-21 | 2000-08-15 | Cline; Roger M. | Roof vent |
US6202372B1 (en) * | 1999-06-14 | 2001-03-20 | Andy L. Powell | Off-ridge roof vent |
US6240690B1 (en) * | 2000-02-02 | 2001-06-05 | Roof & Metal Systems, Inc. | Vented metal roof |
US20010049261A1 (en) * | 2000-05-29 | 2001-12-06 | Canplas Industries Ltd. | Vent for venting a building enclosure |
US6578325B2 (en) * | 2000-10-05 | 2003-06-17 | John C. Henderson | Roof valley air intake vent |
US6279272B1 (en) * | 2000-11-10 | 2001-08-28 | Andrew J. Nill, Jr. | Full coverage vent pipe flashing |
US6691469B2 (en) * | 2001-02-13 | 2004-02-17 | Joel N. Miller | Flashing for roof penetrations |
US6601351B1 (en) * | 2002-01-25 | 2003-08-05 | Dee J. Zerfoss | Pipe flange system |
US6733381B1 (en) * | 2003-07-18 | 2004-05-11 | Kurt Ploeger | Roof vent and method of installation |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100184366A1 (en) * | 2009-01-22 | 2010-07-22 | Hassenstab Steve C | Cover for a static roof vent |
US20120073239A1 (en) * | 2010-09-23 | 2012-03-29 | Haines Jacob L | Flexible-Based Roof Vent for Metal Roofing |
US10746421B2 (en) | 2015-11-13 | 2020-08-18 | Lomanco, Inc. | Vent |
USD873984S1 (en) | 2017-09-13 | 2020-01-28 | Lomanco, Inc. | Vent |
USD874638S1 (en) | 2017-09-13 | 2020-02-04 | Lomanco, Inc. | Portion of a vent |
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