Importance

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Abstract

A composite building material includes at least one membrane, a spacer material bonded to one face of the membrane, and a lath bonded to an opposite face of the membrane. The components of the composite building material are installed simultaneously as an integral unit within a wall, roof or like assembly. The lath is preferably made of plastic or metal and is used to support cementitious material such as stucco, mortar, plaster, concrete and the like. The spacer material provides ventilation and drainage passages and is preferably provided as separate or integrally-formed spacer elements, an openwork mat, a corrugated material, or the like. Preferably, the membrane is building paper, tar paper, roofing felt, house-wrap material or like weather-resistive material. A wall/roof assembly and a method of assembling a wall/roof structure are also disclosed.

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First Claim