Laserfiche WebLink
MyBui ldi ngPermit.com <br /> a service of eCityGov.net Construction Tip Sheet 05 <br /> Deck Ledger and Connections <br /> Deck Ledger Connection to Band Joist <br /> On-Center Spacing of Fasteners (inches) <br /> Joist Span c 1/2-inch diameter lag 1/2-inch diameter bolt 12-inch diameter bolt <br /> (feet) screw with 1/2-inch with 1/2-inch screw with 1-inch <br /> maximum sheathing b,c,e maximum sheathing c maximum sheathing d <br /> 6 22 36 35 <br /> 8 16 31 26 <br /> 10 13 25 21 <br /> 12 11 20 17 <br /> 14 9 17 15 <br /> 16 8 15 13 <br /> 18 7 13 11 <br /> a. Ledgers shall be flashed in accordance with Section R703.4 to prevent water from <br /> contacting the house band joist. <br /> b. The tip of the lag screw shall fully extend beyond the inside face of the band joist. <br /> c. Sheathing shall be wood structural panel or solid sawn lumber. <br /> d. Sheathing shall be permitted to be wood structural panel, gypsum board, fiberboard, <br /> lumber, or foam sheathing. Up to 1/2-inch thickness of stacked washers shall be permitted to <br /> substitute for up to 1/2-inch of allowable sheathing thickness where combined with wood <br /> structural panel or lumber sheathing. <br /> e. For on-center spacing of specialized fasteners refer to the manufacturer's installation <br /> instructions. <br /> Placement of Lag Screws and Bolts in Ledgers and Band Joists <br /> Minimum End and Edge Distance and Spacing Between Rows <br /> Top Edge Bottom Edge Ends Row Spacing <br /> Ledger a 2 inches d 3/4 inch 2 inches b 1-5/8 inches b <br /> Band joist` 3/4 inch 2 inches e 2 inches b 1-5/8 inches b <br /> a. Lag screws or bolts must be staggered from the top and bottom along the horizontal run. <br /> See figure below. <br /> b. Maximum 5 inches. <br /> c. For engineered rim joists, the manufacturer's recommendations govern. <br /> d. The minimum distance from the bottom row to the top edge of the ledger must be in <br /> accordance with figure below. <br /> e. 2 inches may be reduced to 3/4-inch when the band joist is directly supported by a <br /> mudsill, header, or by double top wall plates. <br /> January 14,2022 MyBuildingPermit.com I Basic Deck <br /> * `eCityGov.net <br /> 2005 Y eCAyGcvAlliance <br />