Westlake Royal Building Products manufactures building materials for residential and commercial construction, with facilities across the United States and Canada. Its portfolio spans exterior siding and accessories, trim, roofing, architectural stone veneer, windows, and decking. The company says it has more than 50 years of industry leadership and is part of Westlake, a global manufacturer and supplier of materials and products.
ENERGY STAR®
Class-A Fire-Rated Roof Assemblies
Compliance program
WUI-Compliant Roofing Assemblies
Compliance program
CLASSAFIRERATEDROOFASSEMBLY
Quality certification
Associated Materials, LLCAssociated Materials, LLC is a North American exterior building products company headquartered in Cuyahoga Falls, Ohio, operating Associated Materials Innovations, Alside, and Gentek. Its history reaches back to Alside’s 1947 founding and innovation in enamel-baked aluminum siding; the company says it manufactures and distributes building products for residential, light commercial, and multifamily markets. It reports nine manufacturing plants and more than 120 supply centers across the United States and Canada.WEST SALEM, OH
AlsideAlside manufactures and distributes exterior building products for residential renovation and new construction, including siding, windows, patio doors, metals, soffit, trim coil, gutters, and decorative accents. Its product portfolio includes composite, vinyl, insulated vinyl, specialty, and steel siding, as well as vinyl windows and sliding patio doors; products are distributed through Alside Supply Centers and independent distributors to licensed remodeling contractors and home builders.SHIPPENSBURG, PA
Carlisle Construction Materials LLCCarlisle Construction Materials LLC is a diversified manufacturer and supplier of building products and related technologies for commercial and residential construction. The company has more than 100 years of history and reports 41 U.S. manufacturing facilities, along with international manufacturing operations. Its businesses include commercial roofing and architectural metal products.SMITHFIELD, PA
Cornerstone Building BrandsCornerstone Building Brands manufactures exterior building products for residential and low-rise non-residential buildings across North America. Headquartered in Cary, North Carolina, it operates a network of more than 225 facilities, including 93 manufacturing plants, and serves customers in new construction and repair and remodeling.MARTINSBURG, WV