c. 1965; Tamar Building Products Ltd. is located at 3957 Walker Road. "Distributors: aluminum, vinyl, asbestos insulated and all types of stone sidings, port-o-brakes, slitters, equipment. Affiliated with Windsor Siding and Moulding Manufacturing Limited: manufacturers: aluminum sidings, soffits, mouldings, corners and accessories, custom lengths horizontal and vertical sidings, awning materials and coil stock all colors and widths, 4 inch and 5 inch aluminum gutters and pipe in all colors."