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PRESCRIPTIVE RESIDENTIAL WOOD DECK CONSTRUCTION GUIDE 1,5 <br /> PROHIBITED LEDGER ATTACHMENTS Figure 18. No Attachment to House Overhang <br /> , <br /> Attachments to exterior veneers(brick,masonry, stone), with Ledger. <br /> hollow masonry, and to cantilevered floor overhangs or <br /> bay windows are prohibited(see Figures 17 and 18). In „. <br /> such cases, the non-ledger deck is required(See NON- <br /> LEDGER <br /> ,,,,,ftfiriti),;,0t= : <br /> DECKS). <br /> Figure 17. No Attachment to or Through <br /> Exterior Veneers (Brick, Masonry, Stone). <br /> I•-''' <br /> 11'- <br /> -44 overhang , <br /> ris <br /> iiii ' Ind <br /> ot,to In p taw ow <br /> I 40* 1 <br /> Y 1 404* <br /> 111111)1 rili . ot <br /> OR4r4::4-' 4111. <br /> °k <br /> , <br /> \rnege or <br /> _ <br /> -— , <br /> hl <br /> LEDGER BOARD FASTENERS lumber band joist(1-V2" actual)or EWP rim joist bearing <br /> Only those fasteners noted below are permitted. LEAD on a sill plate or wall plate shall be constructed with 1/2" <br /> ANCHORS ARE PROHIBITED. lag screws or bolts with washers per Table 5 and Figure <br /> • 19 (see MINIMUM REQUIREMENTS). <br /> Deck ledger connection to band joist or rim joist.The <br /> connection between a deck ledger and a 2-inch nominal <br /> Table 5. Fastener Spacing for a Southern Pine, Douglas Fir-Larch, or Hem-Fir Deck Ledger or Band or <br /> Rim Joist and a 2-inch Nominal Solid-Sawn Spruce-Pine-Fir Band Joist or EWP Rim JOiSt.3'4'5'6'8 <br /> (Deck Live Load = 40 psf, Deck Dead Load = 10 psf) <br /> Rim Joist 6'43" 6'-1" 8'-1" 10'-1" 12'-1" 14'-1" 16'-1" <br /> Joist Span or and to to to to to to <br /> Band Joist less 8'-0" 1W-0" 12'-0" 14'-0" 16'-0" 18'-0" <br /> Connection Details On-Center Spacing of Fasteners <br /> 1" EWP 24" 18" 14" 12" 10" 9i, 8" <br /> 1/2" diameter lag screw.' with <br /> 1-1/8" EWP 28" 21" 16" 14" 12" 10" 9" <br /> 15/32" maximum sheathing <br /> 1-1/2" Lumber 30" 23" 18" 15" 13" 11" 10" <br /> 1" EWP 24" 18" 14" 12" 10" 9" 8' <br /> 1/2" diameter bolt with <br /> 1-1/ " EWP 28" 21" 16" 14" 12" 10" 9' <br /> 15/32" maximum sheathing8 <br /> 1-1/2" Lumber 36" 36" 34" 29" 24" 21" 19" <br /> 1/2" diameter bolt with <br /> 15/32" maximum sheathing and 1-1/2" Lumber 36" 36" 29" 24" 21" 18" 16" . <br /> 1/2" stacked washers47 <br /> 1. The tip of the lag screw shall fully extend beyond the inside face of the band or rim joist. <br /> 2. The maximum gap between the face of the ledger board and face of the wall sheathing shall be 1/2". <br /> 3. 1 edgers shall be flashed or caulked to prevent water from contacting the house band joist(see Figures 14 and 15). <br /> 4. Lag screws and bolts shall be staggered per Figure 19. <br /> 5. Deck ledgers shall be minimum 2x8 pressure-preservative-treated No.2 grade lumber,or other approved materials as established by standard <br /> engineering practice. <br /> 6. When solid-sawn pressure-preservative-treated deck ledgers are attached to engineered wood products(minimum 1"thick wood structural panel <br /> band joist or structural composite lumber including laminated veneer lumber),the ledger attachment shall be designed in accordance with <br /> accepted engineering practice.Tabulated values based on 300 lbs and 350 lbs for 1" and 1-1/8" EWP rim joist,respectively. <br /> 7. Wood structural panel sheathing,gypsum board sheathing,or foam sheathing shall be permitted between the band or rim joist and ledger.Stacked <br /> washers are permitted in combination with wood structural panel sheathing,but are not permitted in combination with gypsum board - <br /> sheathing.The maximum distance between the face of the ledger board and the face of the band joist shall be 1". <br /> 8. Fastener spacing also applies to southern pine,Douglas fir-larch,and hem-fir band or rim joists. <br /> q 1 c lAitt-A-- <br /> American Wood Council <br /> .1/15/1 <br />