sd-2011-00085_0004.jpg =126 PART 3 ■ Building Planning and Construction
11 502 • 2 • +) • 1 CHANGE TYPE: Addition ``n=
L
CHANGE SUMMARY: Prescriptive methods for securely attaching a
and Table
wood deck to the dwelling structure are now included in the IRC. '
R-50229291 2009 CODE: R502.2.2.1 Deck Ledger Connection to Band ,
Deck Ledger oist. For decks supporting a total design load of 50 pounds per
square foot (2394 Pa) (40 pounds per square foot (1915 Pal li load
Connection plus 10 pounds per square foot (479 Pa) dead loadl, the connection
between a deck ledger of pressure- preservative - treated Southern Pine, F
incised pressure - preservative- treated Hem -Fir or approved decay-
resistant species and a 2 -inch (51 mm) nominal lumber band joist
bearing on a sill plate or wall plate shall be constructed with 1 /2 -inch
(12. m) lag screws or bolts with washers in accordance with Table
R502. 2.2.1. Lag screws bolts and washers shall be hot - dipped gals&
nized or stainless steel.
< in. sheathing
'i
Hot- dipped
galvanized
Water-
or stainless
resistive steel LAG
barrier screws,
bolts, and '
Flashing washers -
Decking Decking 4
Floor Floor
Washer Deck joist 4 : joist Deck Joist
spacers 2 in. joist
s typ
1 /2 in. bolt 1 a` 1 /2 in. �p
2In. 'so: °': connection e _%
bolt a ` LAG screw a
°> with washer ='o connection
<1 in. yw connection P >�'�
spacers
Minimum 2 in.
Maximum 5 in. Spacing per Table R 502.2.2.1
2 in.
® 2 In. ;
Deck ledger Deck joist
1 /2 in. lag screw or bolt
{
Deck ledger connection
s