Meet the very first fiberglass front door — the door that revolutionized an industry. Therma-Tru's Fiber-Classic® Oak door changed how doors are made, and still sets the standard for today's fiberglass entry doors.
Our original vision was an entry door that would not crack, split, splinter, or warp like wood. The result? Therma-Tru's Fiber-Classic Oak fiberglass entry door that's durable, stylish, economical and most preferred by builders and remodelers.
Therma-Tru Products - Superior Engineering and Enduring Beauty
Discover the possibilities for your home. Therma-Tru's superior engineering results in high quality products with enduring beauty. Browse our full line of entry and patio door systems.