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40 <br />C7 <br />rMdetsen" ROOF WINDOWS <br />Y <br />F Section 07812 <br />a <br />+ PART 2 PRODUCTS <br />2.01 MANUFACTURERS <br />I A. Andersen Raaf Windows as manufactured by Andersen Corporation, Baypl)Ft, Minnescla, <br />2.02 MATERIALS <br />A. Roof Window Frame Members: Fabricated from a wood species approved in NWWDA Industry Standard I.S. 7. <br />8. Roof Windove Sash; Fai from a wood species approved in NWWOA Industry Standard I.S. 7. <br />1. Hoof Window Aluminum Sash Cover: Coil coaled 6061-T6 aluminum with polyurelhane topcoat over polyurethane primer <br />with gray polyurethane wash coat on back. <br />2. Color: Terralone. <br />C. Wealhersiripping: Continuous, flexible EPDM rubber gasket conforming to ASTM C B64 applied to entire perimeter of roof <br />window frame. <br />1.03 GLAZING <br />A. General: Clear insulating glass units cerlilied through the Insulating Glass Certification Council as conforming to the <br />requirements of IGCC Class CBA or bailer, when tested In accordance with ASTM E 773 and E 774. Provide dual sealed unite <br />consisting of polylsobutylene parnery, seal and silicone secondary aaal. Metal spacers to have bent or soldered comers. <br />SELECT BETWEEN THE FOLLOWING STANDARD GLAZING OPTIONS. CONSULT ANDERSEN <br />CORPORATION REPRESENTATIVE FOR ADDITIONAL GLAZING OPTIONS. <br />A, High Performance Lot, Emissivity (HP), Inert Gas filled Insulating Glass Uoiis: <br />1. Glass: <br />a. Temperedrrempered: fnsufattng glass units to consist of Inboaid and outboard liras of clear tempered glass conforming <br />to ASTM C 1048, Type 1, Class 1, q3, Kind FT. <br />b. Tempered/Laminated: Insulating glass units to consist of an inboard life of two layers of clear, annealed glass <br />conforming to ASTM C 1048; Type 1, Class 1, q3 quality, Kind HS laminaled with 0.030" clear polyvinyl buryral <br />Interlayer and an outboard lite of clear tempered glass conforming to ASTM C 1048, Type 1, Class 1, q3, Kind FT. <br />2. High Performance LoE Coaling (HP): MSVD (magnotron sputtering vapor deposition) LoE coating applied to the No. 2 <br />surface. <br />3. Inert Gas Filling: Fill space between glass lues with Inert gas (argon) to reduce heat loss. Provfde a minimum 97 percent <br />Initial till level. <br />4. Performance Characteristics: <br />a. Center of Glass U -value: 0.32 maximum. - <br />b. Visible Light Transmission: 71 % mtntmttm. <br />C, Ultra -violet Transmisslon: 180% maximum. <br />d. Shading Coeflicient: 0.54. <br />e. Total Solar Transmission: 41%, <br />1. Design Windloa& 40 psf. <br />07812-4 <br />