It was a bold innovation for the home-building market when we introduced an entryway door that looked as beautiful as wood and was more durable. At Therma-Tru, we have been revolutionizing the industry from the start—a spirit you can continue to expect from the leading entry door brand most preferred by building professionals.

We are the nation’s leading manufacturer of fiberglass and steel exterior door systems, and we are the most preferred brand of entry doors among building professionals.* Our attention to detail in styling, including our glass innovations, have brought improved curb appeal and value to our customers’ homes, and the security and durability features built into every Therma-Tru door brings home comfort and security.

James Hardie® products grace the sides of more than 8 million homes across North America. We’ve won over the press, the remodeling industry, and most importantly, our customers, with the beauty and durability of our products.

Since 2013, HardiePlank® lap siding has been backed by the coveted Good Housekeeping Seal from the Good Housekeeping Research Institute.  For over a century, the Good Housekeeping Seal has been a symbol for reliability that consumers trust when making big decisions, like choosing home siding.

ProVia’s roots are in Sugarcreek, Ohio; an area known for quality and craftsmanship. Our people love to find innovative ways for integrating stateof-the-art technologies into manufacturing processes. However, technology is never intended to replace quality and craftsmanship – only to enhance it. Whether producing doors, windows, siding or stone, each ProVia team member takes pride in making the best products available, and backing them with a Lifetime Warranty as a commitment that we stand behind our workmanship.

Through the responsible development of innovative and sustainable building products, CertainTeed has helped shape the building products industry for more than 110 years. Founded in 1904 as General Roofing Manufacturing Company, today, CertainTeed® is North America’s leading brand of exterior and interior building products, including roofing, siding, fence, decking, railing, trim, insulation, gypsum and ceilings. A subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies, CertainTeed and its affiliates have more than 6,300 employees and more than 60 manufacturing facilities throughout the United States and Canada.

Weather Shield has been committed to making windows and doors the best way we know how– by putting the wants of our customers first. Today, this philosophy remains the heart and soul of everything we do.

Our focus on innovative and flexible solutions clearly distinguishes Weather Shield from other window and door companies. It’s the reason we offer more styles, shapes, sizes and options in more product lines than anyone else in the industry. It’s what drives us to design, engineer and manufacture the highest quality, most energy efficient products possible.