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Page 14 of 14 National Evaluation Report No. NER-520 Foatnotes for Figure 2 -Floor/Ceiling and RooflCeiling Assembly-One Hour 1. Insulspan Panels-48 inches(1220 mm)wide(minimum),5-1/2 inch(88.9 mm)thick(maximum)EPS core having 7/16 inch (11.1 mm) thick OSB skins. Panels having 7-1/4, 9-1/4 and 11-1/4 inch thick cores are also permitted in roof/ceiling assemblies. 2. Splines-2x wood spline studs.When the tables indicate that no spline studs are required for structural capacity,3 inch(76.2 mm)wide, 5/8 inch (15.9 mm)thick OSB surface splines are permitted under both skins instead of spline studs. 3. Fasteners-OSB skins are fastened to spline studs using 6d nails @ 6 inches(152 mm)on center.When using OSB surface splines, the surface splines shall be installed using a gap filling expanding foam sealant and 1 inch (25.4 mm) long, No. 6 drywall screws at 6 inches (152 mm) on center on each side of the joint. 4. Gypsum Wallboard -a ceiling surface consisting of two layers of 5/8 inch (15.9 mm)thick Type X gypsum wallboard. The gypsum panels are attached to the Insulspan panels using 2 inch (51 mm) long, A-point, bugle head drywall screws at 6 inches (152 mm) on center along the sheet perimeters and on a 12 inch (304 mm) x 12 inch (304 mm) spacing in the field of the sheets.All seams shall be staggered. Exposed seams shall be treated with an application of tape,followed by three coats of US Gypsum Corporation Durabond 90 joint compound. 5. Roof Covering - (on roof/ceiling assemblies only) -a code complying roof covering. Faotnotes for Figure 3-Wall Assembly-One Hour(Limited Load Bearing) 1. Insulspan Panels-3-1/2 inch(88.9 mm)or 5-1/2 inch(140 mm)thick EPS core having 3/8 inch(9.52 mm)or 7/16 inch(11.1 mm)thick OSB skins. Structural load shall not exceed 27.4 % of allowable load nor 1250 Ib/ft(18.2kN/m). 2. Splines-2x wood studs @ 48 inches (1220 mm) on center. 3. Top and Bottom Plates-2X wood top and bottom plates. 4. Nails-OSB skins are fastened with 6d common nails at 6 inches(152 mm)on center at panel edges(vertical splines)and at top and bottom plates. 5. Gypsum Wallboard -Two layers of 1/2 inch (12.7 mm) thick USG FireCode "C" installed on each side of the assembly. Installation of wallboard on the interior side only of exteriorwalls is permitted in jurisdictions using the Standard Building Code or the BOCA/National Building Code when such walls are located greater than 5 feet 1524 mm) from a property line or assumed property line. The first layer of gypsum wallboard is installed horizontally over the Insulspan panels using a continuous 3/8 inch diameter bead of construction adhesive(Miracle DSA 20 drywall adhesive)at 24 inches (609 mm) on center across the width of the panels and 1 inch (25.4 mm)long No. 6 bugle head drywall screws at 8 inches 203 mm)on center along the perimeter and 12 inches (304 mm) on center at the two adhesive lines. The second layer of gypsum wallboard is installed vertically in the same manner as the first layer using 1-5/8 inch(41.3 mm) long bugle head drywall screws. 1_0 SUBJEGT 3_0 DESCRIPTION 6_0 EVIDENCE SUBMITTED 2.0 PROPERTY FOR WHICH 4.0 INSTALLATION 7.0 CONDITIONS OF USE ' EVALUATION IS SOUGHT 5_0 IDENTIFICATION Re-fssued November 1, 2002 NES back to the NES home paqe National Evaluation Service, Inc. Product Evaluation Listinp Copyright0 2002