MMI DOOR Fiberglass Front Doors are built to last and can add substantial curb appeal to your home. This fiberglass smooth front door unit comes with a Limited Lifetime Warranty on both the door component and the prehung MSystem, a 10 year glass lite warranty, and a 10 year warranty on the painted finish of the pre-hung door component. 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 48-in x 80-in Unit dimension is 51-in x 81.75-in. The suggested rough opening is 51.5-in x 82.25-in. This unit comes with a 6-9/16-in wide primed composite frame. Fiberglass reinforced skin with insulated polyurethane core Common door size is 36-in x 80-in with one 12-in sidelite Overall unit dimension is 51-in x 81.75-in Suggested rough opening is 51.5-in x 82.25-in Prehung on a 6-9/16-in primed composite frame with matching brickmould, frame is 100% composite poly-fiber material that will never warp, splinter or rot The prehung unit comes with 3 satin nickel hinges, compression weatherstrip and composite adjustable sill Frosted glass is double paned, tempered and insulated; Privacy rating is 9 out of 10 Door and sidelite come painted Yellow Flash on both the exterior and interior; Frame and brickmould are primed, ready to be painted the finish of your choosing Door and frame are prepped for both entry knob and deadbolt, 2-1/8-in bore diameter with 2-3/4-in backset