Westlake Royal Building Products

Westlake Royal Building Products manufactures exterior building products for residential construction and home improvement, including siding, trim, roofing, stone, windows and outdoor living products. The company serves both homeowners and building professionals, with product ranges covering homes of various styles and budgets. It operates in North America and beyond as a subsidiary of Westlake Corporation (NYSE: WLK).

Technical work at the company spans exterior building materials manufacturing, material science and durability, product design and innovation, and manufacturing operations at scale. The stated emphasis is on quality materials and thoughtful design, alongside continuous improvement, sustainability and operational excellence. The company draws on decades of industry experience and on the manufacturing capabilities of its parent.

The product portfolio is organised across six lines: siding for residential exteriors, trim, roofing for construction and remodeling, stone for exterior applications, windows, and products for outdoor living spaces. The relevant industry verticals are residential construction, homebuilding, home improvement, exterior building products and building materials.