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All of our fiberglass smooth front doors are virtually maintenance free and will not warp, rot, dent or split. Our prehung door unit (called the MSystem) seals out the weather and practically eliminates air and water infiltration all together. Common door size is 50-in x 80-in Unit dimension is 53-in x 81.75-in. The suggested rough opening is 53.5-in x 82.25-in. This unit comes with a 6-9/16-in wide primed composite frame.
