Profile: Oswald Wholesale Lumber, Inc. supplies a range of building materials ranging from beams and blocks to sheetrock & shingles. We serve industries such as electrical, electronics, plumbing, outdoor recreation, wall covering, work clothing and houseware. Our building materials include brown spacer bracket, white elbow, white ridge vent and poly film. Gutter bracket spacer is designed to compensate for the slope in roofs constructed with non vertical fascia or no fascia. Galvanized furnace pipe is used for gas heating, ventilation and air conditioning applications. Furnace cements are used for bonding and sealing both masonry and metals with working temperatures up to 2000 F. They are designed for patching or repairing cracked or chipped firebrick and mortar.