The narrow frame features profiles that compliment the traditional appearance of Infinity windows. Behind this classic appearance, the Sliding Patio Door has thoroughly modern features like its durable Ultrex® fiberglass construction, effortless sliding operation and low-maintenance top hung screen. Put it all together and you get an amazingly durable door that will never go out of style.

A variety of interior and exterior colors, hardware and grille options are also available to further customize the appearance of your Infinity Sliding Patio Door.

Therma-Tru patio door systems offer the same quality, beauty and durability found in our entry doors. All Therma-Tru hinged, or french, and sliding patio door systems are backed by full-system limited warranties. Browse our patio door options below to build the patio door that’s right for you.