2001 ASD Supplements - unprotected PDF - American Wood Council

SP-26OTHER CONSIDERATIONS6.1 Fastening (Nailing) SchedulesTable 6.1Minimum Nailing Recommendations for Wood Structural PanelApplicationsabcdNail Spacing (in.)Recommended Panel IntermediateApplication Nail Size & Type Edges SupportsSingle Floor—Glue-nailed installationRing- or screw-shank16, 20, 24 oc, 3/4-in. thick or less 6d a 12 1224 oc, 7/8-in. or 1-in. thick 8d a 6 1232, 48 oc, 32-in. span (c-c) 8d a 6 1248 oc, 48-in. span (c-c) 8d b 6 6Single Floor—Nailed-only installationRing- or screw-shank16, 20, 24 oc, 3/4-in. thick or less 6d 6 1224 oc, 7/8-in. or 1-in. thick 8d 6 1232, 48 oc, 32-in. span 8d b 6 1248 oc, 48-in. span 8d b 6 6Sheathing—SubflooringCommon smooth, ring- or screw-shank c7/16-in. to 1/2-in. thick 6d 6 127/8-in. thick or less 8d 6 12Thicker panels 10d 6 6Sheathing—Wall sheathingCommon smooth, ring- or screw-shank or galvanized box c1/2-in. thick or less 6d 6 12Over 1/2-in. thick 8d 6 12Sheathing—Roof sheathingCommon smooth, ring- or screw-shank c5/16-in. to 1-in. thick 8d 6 12 dThicker panels 8d ring- or screw-shank 6 12 dor 10d common smooth8d common nails may be substituted if ring- or screw-shank nails are not available.10d ring-shank, screw-shank, or common nails may be substituted if supports are well seasoned.Other code-approved fasteners may be used.For spans 48 in. or greater, space nails 6 in. at all supports.6.2 Panel SpacingWood-based panel products expand and contractslightly as a natural response to changes in panel moisturecontent. To provide for in-plane dimensional changes,panels should be installed with a 1/8-inch spacing at allpanel end and edge joints. A standard 10d box nail may beused to check panel edge and panel end spacing.APA – The Engineered Wood Association