Guardian Building Products Distribution (GBPD) is one of the leading North American distributors of a broad line of building products used mainly in home improvement, remodeling, repair work, and new residential and commercial construction. The firm's product lines include an assortment of insulation, roofing, windows, doors, siding, and a variety of other building materials. It is comprised of over 95 stocking distribution centers and brokerage offices, strategically located throughout the United States and Canada. GBPD distributes its products to independent building materials dealers, professional builders, large contractors, mass merchandisers and national co-operatives.