
About Us
Westlake Royal Building ProductsTM is a leader in the manufacturing 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.
Westlake Royal Building ProductsTM manufactures Siding & Accessories, Trim & Mouldings, Roofing, Stone, Windows and Decking.
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