Westlake Royal Building Products

Born from a 2018 merger of building products arms, the company has established a significant presence in the building industry.

It drives growth through a diverse product portfolio—vinyl siding, windows, rainware, roofing, and accessories—serving markets across North America and beyond.

Serves a wide range of projects, from single

family homes and multi

unit developments to commercial buildings and renovation jobs.

Rooted in manufacturing expertise, it operates dozens of plants with strong vertical integration in extrusion, fabrication, and finishing.

Standout strength is blending scale and specialty—offering both mass

market siding and custom accessory lines.

Uniquely supports homeowners and contractors directly via training centers and design studios to help shape projects on site.

We operate with integrity and respect, holding ourselves accountable to high standards of excellence.

We prioritize safety and the well

being of our employees, ensuring a safe working environment.

We are committed to delivering superior quality products and services to our customers.

We foster a culture of innovation and continuous improvement to stay ahead in the marketplace.

We act as good corporate citizens and support the communities where we live and work.

Committed to reducing environmental impact across all business areas.

Actively working to minimize waste, improve energy efficiency, and use sustainable materials in manufacturing.

Focus on reducing water usage in production processes.

Strives to meet or exceed environmental regulations and continuously seeks ways to reduce its environmental footprint.