Now the nation''s 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 segment within the exterior door category. We were interested in differentiating ourselves from the rest of the market doors -- that''s the only way to be finishing profitable in the long term recalling hiscompany''s motivation for pursuing fiberglass. Therma-Tru recruited doors a ream of engineers and 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 finishing compound, as well as the tooling to transform those supplies into a door skin. After extensive laboratory and field testing, the fiberglass doors industry''s first door hit the market: the Fiber-Classic.

Now the nation''s 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 segment within the exterior door category. We were interested in differentiating ourselves from the rest of the market doors -- that''s the only way to be finishing profitable in the long term recalling hiscompany''s motivation for pursuing fiberglass. Therma-Tru recruited doors a ream of engineers and 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 finishing compound, as well as the tooling to transform those supplies into a door skin. After extensive laboratory and field testing, the fiberglass doors industry''s first door hit the market: the Fiber-Classic.