Westlake Royal Building Products

Foundry Siding
part of the Westlake family


Westlake Royal Building Products™ is a leader throughout North America in the innovation, design, and production of a broad and diverse range of exterior and interior building products. Our high quality, low-maintenance products meet the specifications and needs of building professionals, homeowners, architects, engineers and distributors, while providing stunning curb appeal with an unmatched array of colors, styles and accessories.

We’re answering “what ifs” on a whole new level—from the solutions we create to the dreams we build. We have the tools and technology to tell design stories on a bigger scale and on a more personal level. There are no limits to how far we innovate, how deeply we express, how strongly we commit and how boldly we go. Together let’s Be Boundless™.

Create your perfect home today with Westlake Royal Building Products.

Siding and Accessories | Trim and Mouldings | Roofing | Stone | Windows | Outdoor Living