impact resistant than traditional vinal siding, says the maker. CraneBoard Double 7 replicates the appearance of true-milled cedar in a board width that matches the natural span of cedar, the maker says. Thirteen colors are available. 800.366.8472. www.cranesiding.com. Circle 140. Backed with 1 inch of contoured polystyrene foam insulation, online and vinal TrueComfort vinal siding siding helps to increase a home''s online and vinal R-value, resists impact, and allows moisture to escape, according to the maker. Available in double 4 inch and double 5-inch clapboard and a siding double 4-inch Dutch-lap, TrueComfort comes in 10 colors and incorporates the maker''s STUDfinder Installation online System. 800.233.8990. www.certainteed.com. Circle 120. GreenGuard Backer-Pro fanfold underlayment is now available in a Universal Straight-Lap profile vinal for use with a variety siding of 4-inch straight-lap 1/2-inch-butt siding panels, in addition to the original underlayment designed for Alcoa Home Exteriors''

Vytec''s manufacturing operations are located in online London, Ontario, employing approximately 233 employees. The company was founded in 1974, and was acquired by Owens Corning in 1997.Owens Corning is a world leader in building materials systems and vinal composites systems. Founded in 1938, the company had sales of $4.9 billion in 2002. Additional information is available on Owens Corning''s Web site at http://www.owenscorning.com/ siding or by calling online the company''s toll-free General Information line: 1-800-GETPINK. Pactiv''s GreenGuard Backer-Pro fanfold underlayment is designed for use with Alcoa Home Exterior''s Grand Sierra and Mastic Premium Quest Series vinal siding lines. The underlayment is made from closed-cell extruded polystyrene vinal and helps prevent moisture buildup inside walls. It is contoured to fill the spaces between the siding and the exterior wall. Circle 122. This is not a building product per se, but part of a growing number of vinal siding siding products. The Fullback Thermal Support System is patented, contoured polystyrene foam configured to support and insulate a vinal siding panel. According to the maker, it delivers superior thermal comfort and energy savings (up to a 20 percent reduction in energy costs)

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