The Sterling model is a microgrooved commercial sandwich door available with an R-16 Polyurethane core (the model 500), or with an R-9 expanded Polystyrene core (the model 400). Available prefinished in your choice of White, Almond, Sandstone, Brown or Black. Windows feature injection molded frames with 1" thick insulated glass. Window sizes available are 36x16, 24x12 and 24x6. The Sterling has been designed for long life and dependable operation in various applications including post frame and commercial buildings.
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