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APPLICATION INSTRUCTIONS (CONT.) • For information on fastening LP SmartSide Lap products in high c) For rigid foam sheathing greater than 1"(25.4 mm),a minimum wind speed areas,refer to ICC-ES Report ESR-1301. 1-1/2"(38.1 mm)thick by 4"(101.6 mm)wide vertical strapping • Alternative Fastening Options for 8-inch only 38 Series Precision Lap or furring strip must be installed over the sheathing to provide Over Structural Sheathing and 24 in.OC Wall Framing a solid,level nailing base for the siding.The strapping must be securely fastened to structural framing spaced no greater than • The sheathing must be a minimum 7/16 in.thick- 16"OC(406 mm)with a minimum nail penetration of 1-1/2 inches ness with an APA The Engineered Wood Association trade- markthat contains the (38.1 mm)and a maximum nail spacing no greater than the width of the siding. consensus standard DOC PS2. Louisiana-Pacific will assume no responsibility for any damage or • The transverse windload design val- condition arising from the use of foam sheathing. ues in table 4 of the APA Product Report PR- N124 may be used when the following fasteners specifications are met. • 38 series precision lap must be fastened with: OVERLAP, CLEARANCE & NAILING SPACE • a minimum no.8 corrosion resistant tapered head wood screw with a maximum spacing of 12 in.on center with Figure 1 1.5 in.screw penetration into each stud or... V. • a minimum 6d(0.99 in.shank diameter)corrosion resistant �, Min.3/4 in.nail J +4E7.110 a I spacing from top ring shank nail with a maximum spacing of 8 in.on center with 1.5 in.nail penetration into each stud. � Sheathing if Breathable 1 in.min. required weather • Alternative Fastening Options Over SIP Assemblies: overlap • The sheathing must be a minimum 7/16 in.thickness with barrier an APA The Engineered Wood Association trademark that Sidin must extendSiding must not Siding 11,!-I3., ,,:,:ontact7asonr,y contains the consensus standard DOC PS2 below plate • The transverse windload design values in table 4 of the APA 741 4x Product Report PR-N124 may be used when the following Min.6 in. fasteners specifications are met. finish grade .. clearance • 38 series precision lap must be fastened with: • a minimum no.8 corrosion resistant tapered head wood screws with a maximum spacing of 12 in.on center or... • a minimum 6d(0.99 in.shank diameter)corrosion resistant ring shank nail with a maximum spacing of 8 in.on center • 76 series precision lap must be fastened with: BUTT JOINTS • a minimum no.8 corrosion resistant tapered head wood Figure 2 screw with a maximum spacing of 16 in.on center or... • a minimum 6d(0.99 in.shank diameter)corrosion resistant Nail min.3/4 in.from top ring shank nail with a maximum spacing of12 in.on center. and 3/8 in.from edge CAUTION 1 1 • Do not force siding into place. �� N �• • • DO NOT USE STAPLES. • � � �� Insulated Sheathings LP SmartSide Sidings may be installed over low-compression rigid foam or fiberglass sheathings.The following precautions must be followed: a) Adequate bracing of the wall in accordance with the Internation- • A minimum 3/16 in.gap is required at butt joints. al Codes or other ruling building code is required. • Seal all gaps at butt joints. b) For rigid foam sheathing up to 1"(25.4 mm)thick,siding may be • Unsheathed walls require adequate bracing. nailed directly to the foam sheathing unless a drainage plane is required by the local building code.Nail length must be in- • Joints must occur over the studs. creased to ensure a minimum 1-1/2"(38.1 mm)fastener penetra- tion into the structural framing.