ToughGard® fiberglass ductboard is designed for fabrication into supply and return air ductwork for both residential and commercial HVAC systems. A two-page specification sheet in CSI format describing the product is available. The spec sheet features a photo of the product and information on the fabrication procedure, a detailed listing of features and benefits, and technical charts on product performance and availability.

CertainTeed Corp., Insulation Group, P.O. Box 860, Valley Forge, PA 19482; 800-233-8990;

eProduct #186