Disclosed is an exterior finish system for building structures that includes a water pervious adhesive for securing an insulation layer to a water resistive barrier applied to a building wall substrate. Also disclosed is a building structure such as a building column or wall that includes the finish
Disclosed is an exterior finish system for building structures that includes a water pervious adhesive for securing an insulation layer to a water resistive barrier applied to a building wall substrate. Also disclosed is a building structure such as a building column or wall that includes the finish system and a method of using the finish system to assemble a building structure such as a column or wall.
대표청구항▼
1. A building wall comprising: a building wall substrate;a water resistive barrier layer applied to a portion of said building wall substrate;an insulation layer having opposite interiorly and exteriorly facing surfaces;a water pervious adhesive layer disposed between said water resistive barrier la
1. A building wall comprising: a building wall substrate;a water resistive barrier layer applied to a portion of said building wall substrate;an insulation layer having opposite interiorly and exteriorly facing surfaces;a water pervious adhesive layer disposed between said water resistive barrier layer and said insulation layer adhering said insulation layer to said building wall substrate, said water pervious adhesive layer comprising a water pervious adhesive comprising internal voids that create one or more drainage paths within said water pervious adhesive layer; andan exterior finish material applied to at least a portion of the exteriorly facing surface of said insulation layer. 2. The building wall of claim 1, wherein said water resistive barrier layer comprises a liquid-applied coating selected from the group consisting of polymeric coatings, polymer-containing cementitious coatings, and fiber-reinforced polymeric coatings. 3. The building wall of claim 1, wherein said building wall substrate is selected from the group consisting of a wood frame, metal frame, plywood sheathing, cement board, gypsum board, oriented strand board, wafer board, fiberboard, poured concrete wall, and concrete masonry units. 4. The building wall of claim 1, wherein said insulation layer comprises a substantially rigid expanded polystyrene board. 5. The building wall of claim 1, wherein said water pervious adhesive layer further comprises from 0 to about 15 weight percent of one or more additives selected from the group consisting of extenders, dispersants, air entrainers, catalysts, fibers, retarders, accelerators, thickeners, defoamers, inter fillers, reactive fillers, rheology modifiers, thixotropic agents and colorants. 6. The building wall of claim 1, wherein said exterior finish material comprises an exterior insulation and finish system comprising at least one base coat layer, a reinforcing layer, and at least one finish coat layer. 7. The building wall of claim 6, wherein said base coat layer is selected from cementitious base coats, polymer base coats, and polymer-modified cementitious base coats. 8. The building wall of claim 7, wherein said reinforcing layer is selected from the group consisting of reinforcing fabrics and meshes. 9. The building wall of claim 8, wherein said finish coat layer is selected from the group consisting of cementitious finish coats, polymer based finish coats, and polymer-modified cementitious finish coats. 10. An exterior finish system for building walls comprising: an insulation layer having first and second opposite facing surfaces;a water pervious adhesive layer adjacent said first opposite facing surface of said insulation layer, said water pervious adhesive layer comprising a water pervious adhesive comprising internal voids that create one or more drainage paths within said water pervious adhesive layer;a water resistive layer adjacent said water pervious adhesive layer; andan exterior finish material applied to said second opposite facing surface of said insulation layer. 11. The exterior finish system of claim 10, wherein said insulation layer comprises a substantially rigid expanded polystyrene board. 12. The exterior finish system of claim 10, wherein said water pervious adhesive layer further comprises from 0 to about 15 weight percent of one or more additives selected from the group consisting of extenders, dispersants, air entrainers, catalysts, fibers, retarders, accelerators, thickeners, defoamers, inter fillers, reactive fillers, rheology modifiers, thixotropic agents and colorants. 13. The exterior finish system of claim 10, wherein said water resistive layer comprises a liquid-applied coating. 14. The exterior finish system of claim 13, wherein said liquid-applied coating is selected from the group consisting of polymeric coatings, polymer-containing cementitious coatings, and fiber-reinforced polymeric coatings. 15. The exterior finish system of claim 10, wherein said exterior finish material comprises an exterior insulation and finish system comprising at least one base coat layer, a reinforcing layer, and at least one finish coat layer. 16. The exterior finish system of claim 15, wherein said finish coat layer is selected from the group consisting of cementitious finish coats, polymer based finish coats, and polymer-modified cementitious finish coats. 17. The exterior finish system of claim 15, wherein said base coat layer is selected from cementitious base coats, polymer base coats, and polymer-modified cementitious base coats. 18. The exterior finish system of claim 17, wherein said reinforcing layer is selected from the group consisting of reinforcing fabrics and meshes. 19. A method of finishing a building structure comprising: applying a water pervious adhesive layer between a surface of one of a building wall substrate or a water-resistive barrier and an insulation layer, said water pervious adhesive layer comprising a water pervious adhesive comprising internal voids that create one or more drainage paths within said water pervious adhesive layer;adhering said insulation layer to said building wall substrate with said water pervious adhesive layer disposed therebetween; andapplying an exterior finish material to at least a portion of an exteriorly facing surface of said insulation layer. 20. The method of claim 19, wherein said water pervious adhesive layer further comprises from 0 to about 15 weight percent of one or more additives selected from the group consisting of extenders, dispersants, air entrainers, catalysts, fibers, retarders, accelerators, thickeners, defoamers, inter fillers, reactive fillers, rheology modifiers, thixotropic agents and colorants.
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