Westlake Royal Building Products

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, including Siding and Accessories, Trim and Mouldings, Roofing, Stone, Windows and Outdoor Living. For more than 50 years, Westlake Royal Building Products has manufactured high quality, low maintenance products to 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.

*In 2021, Westlake doubled the size of its building product portfolio by acquiring Boral North America's roofing; siding, trim and shutters; decorative stone; and windows businesses.

For more information, please visit WestlakeRoyalBuildingProducts.com.

Div 4 Stone

Westlake Stone Specification Information

Westlake Stone

Div 6, 7 and 8 - Siding, Trim, Shutters and Windows

Westlake Siding, Trim and Windows
Specification Information

Westlake Siding

Div 7 Steep Roofing

Westlake Roofing Specification Information

Westlake Roofing