Therma-Tru Fiber-Classic Doors

Meet the very first fiberglass front door — the door that revolutionized an industry. Therma-Tru’s Fiber-Classic® doors changed how doors are made, and still sets the standard for today’s fiberglass entry doors.

Therma-Tru’s engineers dreamed of an entry door that would not crack, split, splinter, or warp like wood. The result? Therma-Tru’s Fiber-Classic fiberglass entry door. This line is durable, stylish, economical and most preferred by builders and remodelers. Available in a Mahogany or Oak collection, this door is sure to add beauty, durability and performance to your home’s entry way.

Use the Therma-Tru DoorWays app tool to quickly design and visualize the door of your dreams!

Fiber-Classic Door Styles

Big L Windows - Therma-Tru Fiberglass Mahogany Door

 

Come home to the warmth of mahogany with the new Fiber-Classic® Mahogany Collection™. Timeless styles and a rich mahogany grain join together to create the latest line from Therma-Tru, the leader in fiberglass entry doors. Perfect for your home against cold Buffalo winters.

 

 


Big L Windows - Therma-Tru Oak Collection Fiberglass Door

 

Meet the very first fiberglass front door — the door that revolutionized an industry. Therma-Tru’s Fiber-Classic® door changed how doors are made, and still sets the standard for today’s fiberglass entry doors.