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B. Manufacturer: Subject to compliance with requirements,provide window units by one of the <br /> following: <br /> 1. Clad Wood Windows: <br /> a. Marvin Windows. <br /> b. Rolscreen Co.(Pella). <br /> c. Weather Shield Mfg.,Inc. <br /> d. Kolbe and Kolbe <br /> 2.2 MATERIALS <br /> A. General: Comply with requirements of NWWDAaI.S.a2. <br /> B. Wood: Clear Ponderosa Pine or other suitable fine-grain lumber that has been kiln dried to a <br /> moisture content of 6 to 12 percent at time of fabrication and is free of finger joints,blue stain,knots,pitch <br /> pockets and surface checks larger than 1/32 inch wide by 2 inches long. <br /> 1. Lumber shall be water-repellent preservative treated after machining in accordance with <br /> NWWDAaI.S.a4. <br /> a. Color: White. <br /> C. Cladding: Manufacture�"s bonded cladding on exterior exposure of wood members,consisting of <br /> a rigid sheath,not less than 35-mil average thickness,in permanent white fmish. <br /> 1. Trim Members:Clad exterior wood trim. <br /> 2. Trim Members: Stainable interior wood trim to fit windows. Architect to select trim <br /> material. <br /> D. Anchors,Clips,and Accessories: Fabricate anchors,clips and window accessories of aluminum, <br /> nonmagnetic stainless steel, or hot-dip zinc-coated steel or iron complying with the requirements of <br /> ASTMaBa633 for SC 3(severe)service condition;provide strength sufficient to withstand design pressure <br /> indicated. <br /> . <br /> E. Fasteners: Comply with NWWDA I.S.2 for fabrication and with manufacture�'s recommendations <br /> and standard industry practices for type and size of installation fasteners. <br /> 1. Use zinc-coated or nonferrous nails and screws for window fabrication and installation. <br /> F. Compression Weatherstripping: Provide compressible weatherstripping,designed for permanently <br /> resilient sealing under bumper or wiper action,completely concealed when sash is closed. <br /> 1. Weatherstripping material: Nonferrous spring metal. <br /> 2. Weatherstripping material: Molded PVC gaskets complying with ASTMaDa2287. <br /> 3. Weatherstripping material: Molded expanded EPDM or neoprene gaskets complying with <br /> ASTM'aC�509,Grade 4. <br /> a. Finish: Anodized aluminum or baked-on organic coating in color selected by <br /> Architect from manufacturer's standards. <br /> G. Glass and Glazing Materials: Provide the manufacturer's standard clear,sealed,insulating safety <br /> glazing material that complies with ANSI Z97.1 and the "Glass and Glazing" Section. <br /> H. Glazing Seal: Provide the manufacturer's standard extruded vinyl or butyl glazing gasket providing <br /> weathertight seal. <br /> 2.3 NON-OPERATIVE FII�ED WINDOWS <br /> A. Window Grade: Comply with the requirements of NWWDA Performance Grade 60. <br /> B. Non-rectangular fixed lite sections must be field measured before manufacture. <br /> Page 3 of 4 <br />