Discover MASTERGRAIN, the standard for premium fiberglass doors. Crafted in Canada with cutting-edge Nickel Vapor Deposition technology, our doors deliver the authentic warmth of wood with none of the upkeep. Rigid fiberglass skins, a high-density foam core, and composite reinforcements create exceptional strength, insulation, and lasting performance, while a wide range of grains, finishes, and styles lets you design an entryway that’s uniquely yours. Step into lasting beauty with Mastergrain — where elegance meets durability.