New Generation of Duct Liner with ToughGard(R) MAX


Duct liner just got tougher, with the introduction of ToughGard(R) MAX Duct Liner from CertainTeed Corporation. A new innovation that blends the thermal performance of rotary liner with the durability and easy handling of textile liner, ToughGard MAX offers the best of both styles for fast job completion, high quality and results that are better than ever. The new liner utilizes InsulSafe, CertainTeed’s premium, industry-leading blowing insulation, to help create a product with excellent durability, moisture resistance and cleanability. The result, says Renee Chesler, General Manager of CertainTeed’s Mechanical Insulation business, is the best-performing duct liner available. “ToughGard Max is designed to meet the increasingly tough standards that engineers and their customers demand. It’s a next-generation duct liner that combines the thermal performance of rotary liners with the handling characteristics of textile liners,” she says. ToughGard MAX features an enhanced R-value, high acoustical values, and a composition that promotes healthy indoor air quality (IAQ) and meets the demands of most specifications. A black fiber glass mat allows for easier finishing and cleaner-looking installations. In addition, ToughGard MAX features an enhanced surface that provides moisture resistance for optimal IAQ, an EPA registered anti-microbial agent for added protection, and a surface that resists tearing, puncturing and wear during installation and maintenance. ToughGard Max shows no significant fiber erosion for systems operating at velocities up to 6,000 fpm. “We go to great lengths to develop high-quality HVAC insulation products,” continues Chesler. “We’ve taken that commitment one step further with the introduction of ToughGard MAX.”


•Model Building Codes: – (ICC) – California Title 24 • Material Standards –(ASTM C1071) Type I –CAN/CGSB-51.11-92 •Fire Safety Standards – (NFPA 90A, NFPA 90B) Fire Resistance: • Fire Hazard Classification: – (UL 723, ASTM E84, NFPA 255, CAN/ULC-5102-M88) Max. Flame Spread Index; 25 Max Smoke Developed Index; 50 • Limited Combustible: – (NFPA 259) <3500 Btu/lb Physical/Chemical Properties: •Thermal Performance: – See table on back page. •Acoustical Performance: – See table on back page. •Operating Limits: – Temperature: (ASTM C411) Max. 250°F (121°C) – Air Velocity: (ASTM C1071) Max. 6,000 fpm (30.5 m/s) •Water Vapor Sorption: – (ASTM C1104) < 3% by weight • Corrosion Resistance: (ASTM C665) –Pass • Bacteria Resistance: (ASTM G22) – No Growth • Fungi Resistance: – (ASTM C1338 & ASTM G21) Pass; No Growth •Water Repellency Rating – > 4 (INDA IST 80.6-92)
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