EXTERIOR FINISHING SYSTEM AND BUILDING WALL CONTAINING A CORROSION-RESISTANT ENHANCED THICKNESS FABRIC
First Claim
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1. A building wall comprising:
- a building wall substrate;
a corrosion-resistant woven lath attached to said substrate, said lath comprising warp and weft yarns comprising non-metallic fibers, wherein at least a portion of said warp yarns have a torque effect on at least a portion of said weft yarns and wherein at least a portion of said weft yarns are undulated when viewed in the plane of the lath; and
a stucco matrix applied to said lath.
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Abstract
A corrosion-resistant lath is provided for use in exterior finishing systems, such as stucco systems and exterior insulation and finish systems (“EIFS”). The lath includes in a first embodiment an open, woven fabric comprising weft and warp yarns containing non-metallic fibers, such as glass fibers. A portion of the weft yarns are undulated, resulting in an increased thickness for the fabric. The fabric is coated with a polymeric resin for substantially binding the weft yarns in the undulated condition. This invention also includes methods for making an exterior finish system and building wall including an exterior finish system using such a lath.
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Citations
24 Claims
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1. A building wall comprising:
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a building wall substrate; a corrosion-resistant woven lath attached to said substrate, said lath comprising warp and weft yarns comprising non-metallic fibers, wherein at least a portion of said warp yarns have a torque effect on at least a portion of said weft yarns and wherein at least a portion of said weft yarns are undulated when viewed in the plane of the lath; and a stucco matrix applied to said lath. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A building wall comprising:
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a building wall substrate; an insulation board attached to the substrate; a base coat applied to the insulation board; a reinforcing mesh comprising warp and weft yarns comprising non-metallic fibers, wherein at least a portion of said warp yarns have a torque effect on at least a portion of said weft yarns and wherein at least a portion of said weft yarns are undulated when viewed in the plane of the mesh; and a finish coat applied to said reinforcing mesh, wherein the reinforcing mesh is substantially embedded within the base coat and the finish coat. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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Specification