Division 7 Ebook Page 513 Thermafiber

1. Type: Thermafiber Safing Insulation. a. R-Value: 4.2 per inch. b. Facing: Unfaced. c. Facing: Foil Faced. d. Standard Density: 4.0 pcf (actual). e. Density: 6.0 pcf (actual). f. Density: 8.0 pcf (actual). g. Surface-Burning Characteristics: ASTM E 84. Unfaced material will have a maximum flame spread 0 and smoke-developed of 0. Foil Faced material will have maximum flame spread 25 and smoke- developed of 0. h. Recycled Content Options: Pre-consumer recycled content: Special Green Fiber.....90% Dark Fiber Mineral Wool Products...84% EPA Choice Fiber (US Government Buildings).75% Standard Mineral Wool Products.....70% Post-consumer recycled content.................0% D. Safing Clips: Z-Shaped galvanized steel clips formed from 1 inch (25mm) wide strips of 20 gauge galvanized steel. 3 inches (76mm) high with 2 inch (51mm) and 3 inch (76mm) upper and lower horizontal legs. See specific UL or OPL/Intertek design to verify if safing clips are required. E. Hardware: 1. Thermafiber Impasse hardware for attaching curtain wall insulation. 2. Mechanical Fasteners as approved by the Architect and Manufacturer. F. Mullion Covers: 1. 1 inch (25 mm) Thermafiber FireSpan 90 Insulation for protection of mullions. 2. 2 inch (51 mm) Thermafiber FireSpan 90 Insulation for protection of mullions. G. Backer / Reinforcement Member: Thermafiber Impasse T-Bar or other light gauge steel channel or angle approved by the primary manufacturer. Place horizontally at the safe-off line to support the curtain wall insulation to prevent bowing of curtain wall insulation caused by compression fitting of the Safing insulation. H. Smoke Barrier: Smoke sealant as listed in the appropriate fire tested assembly and approved by the Architect and Manufacturer. I. Vapor Retarder Tape: Compatible with specified facer and comparable perm rating. For taping insulation joints and repairing tears. 2.3 THERMAL AND ACOUSTICAL INSULATION A. Exterior Thermal / Acoustical Insulation: 1. Thickness: As noted on contract drawings. 2. Type: Thermafiber FireSpan 90 Insulation. a. R-Value: 4.2 per inch. b. Facing: Unfaced. c. Facing: Foil Faced. d. Density: 8.0 pcf (nominal). e. Surface-Burning Characteristics: ASTM E 84. Unfaced material will have a maximum flame spread 0 and smoke-developed of 0. Foil Faced material will have maximum flame spread 25 and smoke- developed of 0. 07210-6

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