Now the nation''s door leading producer of steel doors, Therma-Tru helped build the market for that product category. The effectiveness of that pioneering effort is reflected in the market share steel currently holds. For the past two decades company has focused its commitment to quality fiberglass and innovation on doors, the fastest-growing fiberglass segment within the exterior door category. We were interested in differentiating ourselves from the rest of the market -- that''s the only way replacement to be profitable in the long door term recalling hiscompany''s motivation for pursuing fiberglass. Therma-Tru recruited a ream of engineers and fiberglass assigned them the mission of developing a new product that would put perform both wood and steel. The team blended fiberglass and resins to invent a sheet-molding compound, as well as the tooling to transform replacement those supplies into a door skin. After extensive laboratory door and field testing, the fiberglass industry''s first door hit the market: the Fiber-Classic.

Now the nation''s door leading producer of steel doors, Therma-Tru helped build the market for that product category. The effectiveness of that pioneering effort is reflected in the market share steel currently holds. For the past two decades company has focused its commitment to quality fiberglass and innovation on doors, the fastest-growing fiberglass segment within the exterior door category. We were interested in differentiating ourselves from the rest of the market -- that''s the only way replacement to be profitable in the long door term recalling hiscompany''s motivation for pursuing fiberglass. Therma-Tru recruited a ream of engineers and fiberglass assigned them the mission of developing a new product that would put perform both wood and steel. The team blended fiberglass and resins to invent a sheet-molding compound, as well as the tooling to transform replacement those supplies into a door skin. After extensive laboratory door and field testing, the fiberglass industry''s first door hit the market: the Fiber-Classic.