Total Confidence
Industry-Leading Warranty
We can stand behind more parts and for longer than most other door companies because we make or specify everything that goes into our door systems.

Designing, manufacturing, distributing, and installing requires a network of experts at every step in the process. It’s more than just a collection of parts. It’s decades of engineering, material science, and testing at work. That’s why more than 80 million homes trust a Therma-Tru door to protect what matters most.
Therma-Tru patented the first fiberglass door and has more than 60 years of experience designing, manufacturing, and testing every component in our complete door systems.
Our doors are built in every region of the country, with expertise in local codes and specifications. Our fabricators are highly trained to deliver quality products every time.
Our products are available nationwide through a knowledgeable dealer network, so you get the right door system for your home and consistent product availability.
Certified installers in your community are experts at installing to exact specifications so the door system performs in real world conditions. Doors installed by certified installers are eligible for additional warranty coverage.
More than 80 million Therma-Tru doors protect homes every day.
We can stand behind more parts and for longer than most other door companies because we make or specify everything that goes into our door systems.