The ToughGard™ duct liner with enhanced surface is illustrated in a spec sheet set up in CSI format. This four-page sheet details the differences between this duct liner and standard duct liners in terms of water repellency. Technical data and installation information also is included.
CertainTeed Corp., Insulation Group, P.O. Box 860, Valley Forge, PA 19482; 800-233-8990; 800-947-0057 (fax); www.certainteed.com.