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' <br /> ' <br /> PART 2-PRODUCTS <br /> 2.1 STRUCTURAL GLUED LAMINATED UNITS S <br /> A. Lumber: Comply with ANSUAITC A190.1 and applicable lumber association standards <br /> cited therein for grades required to achieve glulam requirements for design values, , <br /> appearance,fabrication iimitations,and species. <br /> B. Lumber Species: Douglas Fir-Larch or Southern Yellow Pine. , <br /> C. Adhesive: ANSUAITC A190.1,wet use type. <br /> D. End Sealer: Manufacture�'s standard, transparent, colorless wood seaIer, effective in ' <br /> retarding transmission of moisture at ccoss-grain cuts. <br /> E. Penetrating Seater: Manufacturer's standard;translucent,penetrating wood sealer,that will , <br /> not interfere with application of wood stain and transparent finish,or paint finish. <br /> 1. Refer to Division 9 Sections for required field-appiied finishes. <br /> F. Connectors, Anchors, and Accessories: Provide fabrica#ed steel (ASTM A 36) shapes, ' <br /> pIates,aad bars,welded into assemblies of types and sizes indicated. Provide steel bolts <br /> (ASTM A 307),lag balts,nails,and other staitdard fasteners as required for ins#allation. ' <br /> I. Finish: Finish fabricated assemblies with rust-inhibitive primer. <br /> 2. Wet-Use Finish: Where wet-use glulam work is indicated, finish fahricated ' <br /> assemblies with hot-dip zinc coating (ASTM A 153), including bolts and other <br /> fasteners. <br /> 2.2 FA.BRICATION ' <br /> A. General: Comply with ANSUAITC A 190.1 in providing units indicated;where dimensions <br /> are not comptetely documented,provide manufacturer's standard sizes and shapes required ' <br /> to fulfill indicated performances. <br /> B. Appearance Grade: For exposed members,provide Architectural appearance grade units <br /> complying with AITC 1 i 0. ' <br /> C. Preservative Treatment: Laminate members from preservativo-treated lumber. After <br /> dressing and end-cutting each member to fiaal size and shape,apply a heavy brush coat of ' <br /> � same(or compatible)preservative t�eatmen#(in a light petroleum solvent)to surfaces cut <br /> to a depth of more than 1/16 inch. Apply according ta AWPA M4. <br /> 1. Provide preservafive-treatment solution free of water repellents and other , <br /> substances that migh#interfere when applying finishes. <br /> D. End-Cut Sealing: Immediately af�er end-cuttit►g each member to final length, and after ' <br /> wood treatment(if any�apply a saturation coat of end seaier to ends and other cross-cut <br /> surfaces,keeping surfaces flood�oated for not less than 10 minutes. <br /> E. Seal Coat: After fahricating and sanding each unit,and e�nd-coat sealing, apply a heavy , <br /> saturativn coat of penetrating sealer on surfaces of each unit,except for treated wood where <br /> treat�nent has included a water repellen� <br /> STRUCTURAL GLUED LAIVIINATED TIMBER Page 2 of 3 ' <br /> , <br />