An exterior finishing system for a building, including particularly an exterior insulation system, which includes a fibrous mat-faced gypsum board, preferably a board in which the set gypsum core thereof is water resistant, and preferably one in which the set gypsum core is sandwiched between two sheets...http://www.google.es/patents/US4647496?utm_source=gb-gplus-sharePatente US4647496 - Use of fibrous mat-faced gypsum board in exterior finishing systems for buildings
Use of fibrous mat-faced gypsum board in exterior finishing systems for ...
