Therma-Tru Exterior Door Systems

Therma-Tru Doors is the nation’s leading manufacturer of fiberglass and steel exterior door systems and the brand of entry doors most preferred by builders and remodelers.

Today, Therma-Tru is once again revolutionizing the marketplace with the elegant new Classic-Craft Mahogany Collection, the charming new Rustic Collection and has extended its expertise to patio door systems with the industry's most innovative collection of fiberglass hinged and sliding patio door systems. Therma-Tru offers complete entry and patio door systems, including handcrafted decorative doorlites and sidelites, transoms and door components through a national network of distributors, lumberyards and retailers.

Therma-Tru is helping millions of homeowners around the country improve the value of their homes with stylish, high-performance door systems that create beautiful entryways. Studies find that an enhanced entryway can add substantially to the perceived value of a home, making it one of the highest return on investments and most visible home improvements.