Metal roofing from Custom-Bilt Metals covers and complements the best of American architecture, from brand-new, single-family houses, to modern shopping malls and hotels, to decades-old landmarks. In Boston, 70,000 square feet of Vail Majestic Copper shingles from Custom-Bilt Metals, installed by Dave Gardner Contractor and Supply from Framingham, Mass., will extend the life of the Traffic Tunnel Administration Building, while blending with the character of its historic surroundings.