Westlake Royal Building Products

About Us

Westlake Royal Building Products is a leading North American manufacturer of innovative exterior and interior building materials designed to enhance durability, performance, and aesthetic appeal across residential and multifamily projects. Backed by more than 50 years of industry experience, Westlake Royal offers a comprehensive portfolio of solutions including siding and accessories, trim and mouldings, roofing systems, architectural stone, windows, and outdoor living products.

Our company partners closely with architects, developers, builders, and property owners to deliver specification-ready products that balance long-term value, low maintenance, and design flexibility. Westlake Royal’s brands are engineered to meet demanding performance standards while supporting a wide range of architectural styles—from contemporary multifamily communities to traditional and mixed-use developments.

As part of Westlake Corporation, Westlake Royal Building Products is committed to innovation, technical support, and education for the building community. Through advanced design tools, professional training resources, and responsive field support, the company helps project teams make informed material decisions that contribute to resilient, attractive, and enduring built environments.