MMI Door Fiberglass Patio Doors are built to last and can add substantial curb appeal to your home. This fiberglass smooth patio door unit comes with a Limited Lifetime Warranty on both the door component and the prehung MSystem as well as a 10 year glass lite warranty. All of our fiberglass smooth patio 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 64 in. x 80 in. Overall unit dimension is 67 in. x 81.75 in. The suggested rough opening is 67.5 in. x 82.25 in. This unit comes on a 4-9/16 in. wide primed composite frame. Sliding screen is included.
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