As a homeowner, you want to make sure that any product you purchase is backed by the manufacturer who produced it. At Therma-Tru we stand firmly behind the quality and durability of our doors, and are ready to back up that promise to you with some of the most comprehensive warranties in the industry.


A Therma-Tru door with genuine Therma-Tru components is more than a beautiful door — it’s a complete door system. Every Therma-Tru full system residential entry door or patio door is backed by the industry’s most comprehensive lifetime limited warranty. In addition to the great style, easy installation, and durability of your new Therma-Tru Door, you can have complete peace of mind knowing that your investment is protected.