larsen products corporation, the maryland-based manufacturer of weld-crete?and plaster-weld?bonding agents. weld-crete?bonds new concrete, stucco, tile setting beds and terrazzo to any structurally sound interior or exterior surface. plaster-weld?is a high performance bonding agent which prepares any structurally sound surface, including concrete, brick, block, glass, ceramic tile, wallboard and metals, to receive one-coat finish plaster and/or two and three coat plaster work. for additional product or distributor information, contact larsen products at 1-800-633-6668