Profile: A1 Metal Products, Inc. is associated with construction products. Our product catalog comprises of wall & roof panel profiles, standing seam panels, windows, walk doors, garage doors, and roof jacks. The roof jacks are formed of E.P.D.M. rubber compound to match the configuration of roof panels, and are designed to provide weather-tight openings in a building roof. They can accommodate vent and exhaust pipes up to 6" in diameter. The walk doors are available in single swing and double swing models.