Building materials and building envelope products made wholly or primarily of glass, cement, and synthetic materials, namely, prefabricated building wall framing, composite panels, cladding for buildings, curtain walls, door frames and casings, doors, windows, wall boards and wall panels not of metal; non-metal curtain walls, non-metal prefabricated walls; building envelope products, namely, finishing panels made of cement, synthetic materials, or glass for building construction purposes; construction materials, namely, roofing underlayments, non-metal building flashings, non-metal window flashings and non-metal roof flashings; air barriers and moisture barriers, namely, multi-layer protective membranes comprised of a textile material, plastic film and asphalt polymer for use in building construction as barriers against air and moisture