5-Lite Dual Pane Matte Glass Primed Textured Fiberglass Description: In Stock Now. Also available in pre-finished black or grey. Actual size of fiberglass door is 35-3/4″ x 79″ Available Sizes: , 36" x 80" Types: Exterior Doors , Contemporary Doors(Exterior), Decorative Glass Doors(Exterior), Fiberglass Doors(Exterior), French Doors(Exterior), Glass Doors(Exterior), In Stock Now(Exterior), Weather Resistant & Fiberglass Doors(Exterior) , Back Doors, Exterior Doors, Front Doors