For us, to build and to remodel is to advance. So every year, for the past 50, we’ve done exactly that. We’ve advanced the aesthetics, versatility, performance and breadth of our products to industry-leading levels. Along the way, we’ve become a highly responsive resource for homeowners and pros—from inspiration and ideas to installation and sales support. See where we started and how far we’ve progressed.
Timeline
50 Years of Westlake Royal
1970
Vic De Zen founds Royal Plastics in Toronto, ON making window profiles and other plastic products.
1983
The company produces its first weatherseal product, branded Thermostop, using finger-joint wood with a PVC “flex” stapled to the wood substrate.
1985
Royal makes its siding industry debut.
1987
Royal officially enters the pipe business with a new facility in Woodbridge, ON.
1990
Production capacity for Thermostop weatherseal is doubled.
1994
Royal Plastics goes public.
1996
Wood products are totally phased out. Production is completely converted to extruded plastics.
1997
The company is renamed Royal Group Technologies as it breaks the $1 billion sales mark.
2001
Royal acquires Marley Mouldings in Marion, VA—now known as Royal Trim and Mouldings.
2002
Thermostop weatherseal production experiences a 50 percent growth spurt.
2005
Bristol, TN plant expansion is completed.
2006
Georgia Gulf Corporation, a large PVC raw material manufacturer, acquires Royal Group— creating vertical integration of raw materials across Royal’s finished products.
2011
Georgia Gulf Corporation acquires Exterior Portfolio by Crane—a company known for its pioneering innovations—making GGC the third-largest siding manufacturer in North America.
Royal Group becomes Royal Building Products.
2012
Royal continues to pioneer and innovate with industry-changing product lines.
2013
Georgia Gulf Corporation merges with PPG Industries and changes its name to Axiall Corporation.
2016
Westlake Chemical acquires Axiall, making it a Fortune 500 company and a major player in the world of vinyl compounds:
- 3rd largest chlor-alkali producer in North America
- 2nd largest PVC producer in North America
- 3rd largest PVC producer globally
2019
Westlake acquires DaVinci Roofscapes, adding premium composite roofing to Royal’s growing family of premium products.
2020
Our Marion plant covers 20+ acres and more than 1 million sq. ft. of finishing and extrusion capacity. Our Bristol plant expands to about 400,000 sq. ft. Both run 24/7/365.
Westlake Royal Building Products is the largest extruder of cellular PVC components in North America, offering the widest selection of cellular PVC Thermostop weatherseal products and color and profile options to the garage door market.
Royal turns 50, celebrating our accomplishments and our refusal to rest on them.
1970
Vic De Zen founds Royal Plastics in Toronto, ON making window profiles and other plastic products.
1983
The company produces its first weatherseal product, branded Thermostop, using finger-joint wood with a PVC “flex” stapled to the wood substrate.
1985
Royal makes its siding industry debut.
1987
Royal officially enters the pipe business with a new facility in Woodbridge, ON.
1990
Production capacity for Thermostop weatherseal is doubled.
1994
Royal Plastics goes public.
1996
Wood products are totally phased out. Production is completely converted to extruded plastics.
1997
The company is renamed Royal Group Technologies as it breaks the $1 billion sales mark.
2001
Royal acquires Marley Mouldings in Marion, VA—now known as Royal Trim and Mouldings.
2002
Thermostop weatherseal production experiences a 50 percent growth spurt.
2005
Bristol, TN plant expansion is completed.
2006
Georgia Gulf Corporation, a large PVC raw material manufacturer, acquires Royal Group— creating vertical integration of raw materials across Royal’s finished products.
2011
Georgia Gulf Corporation acquires Exterior Portfolio by Crane—a company known for its pioneering innovations—making GGC the third-largest siding manufacturer in North America.
Royal Group becomes Royal Building Products.
2012
Royal continues to pioneer and innovate with industry-changing product lines.
2013
Georgia Gulf Corporation merges with PPG Industries and changes its name to Axiall Corporation.
2016
Westlake Chemical acquires Axiall, making it a Fortune 500 company and a major player in the world of vinyl compounds:
- 3rd largest chlor-alkali producer in North America
- 2nd largest PVC producer in North America
- 3rd largest PVC producer globally
2019
Westlake acquires DaVinci Roofscapes, adding premium composite roofing to Royal’s growing family of premium products.
2020
Our Marion plant covers 20+ acres and more than 1 million sq. ft. of finishing and extrusion capacity. Our Bristol plant expands to about 400,000 sq. ft. Both run 24/7/365.
Westlake Royal Building Products is the largest extruder of cellular PVC components in North America, offering the widest selection of cellular PVC Thermostop weatherseal products and color and profile options to the garage door market.
Royal turns 50, celebrating our accomplishments and our refusal to rest on them.
A comprehensive product portfolio driven by design.
We're a category leader that offers:
Two strong vinyl siding brands
The broadest selection of PVC trim and mouldings profiles
Industry-changing lines like Celect® Cellular Composite Siding and Zuri® Premium Decking
A contemporary color palette that balances classic options that are always in style and ever-changing trends and preferences, and some of the darkest colors in the industry
Authentic woodgrains, brushed paint looks, and dozens of popular profiles
Advanced, intuitive, interactive exterior design tools that make homeowner product and color decisions easier
A “lead with design” approach that helps us, our customers and our customers’ customers differentiate and succeed in the marketplace
Continuously adding value through investment and innovation.
We’re committed to manufacturing products that reflect what customers want, need and benefit from. Here’s how we back that commitment:
Making everything from sales to order to delivery to install as smooth and easy as possible
Continue exploring, developing and launching uniquely innovative products like Celect and Zuri
Maintaining our standard for superior resins, UV resistance and IR-reflective pigments
Constantly reinvesting in new ways to enhance and perfect high quality products that require little-to-no maintenance
Backing our products with strong warranties, like the industry-leading Double Lifetime Warranty on our vinyl siding lines
Backed by a global leader in PVC manufacturing.
We’re able to achieve, advance and grow through the support of Westlake, an industry-leading Fortune 500 company that shares our commitment to continuous innovation. Vertical integration from our parent company’s raw materials through Royal’s finished products ensures quality control.
