R507.2.1 Ledger Details
Deck ledgers installed in accordance with Section R507.2 shall be a minimum 2-inch by 8-inch (51 mm by 203 mm) nominal, pressure-preservative-treated southern pine, incised pressure-preservative-treated Hem-fir, or approved, naturally durable, No. 2 grade or better lumber. Deck ledgers installed in accordance with Section R507.2 shall not support concentrated loads from beams or girders. Deck ledgers shall not be supported on stone or masonry veneer.
PLACEMENT OF LAG SCREWS AND BOLTS IN DECK LEDGERS AND BAND JOISTS
|MINIMUM END AND EDGE DISTANCES AND SPACING BETWEEN ROWS|
|TOP EDGE||BOTTOM EDGE||ENDS||ROW SPACING|
|Ledgera||2 inchesd||3/4 inch||2 inchesb||15/8 inchesb|
|Band Joistc||3/4 inch||2 inches||2 inchesb||15/8 inchesb|
For SI: 1 inch = 25.4 mm.
- Lag screws or bolts shall be staggered from the top to the bottom along the horizontal run of the deck ledger in accordance with Figure R507.2.1(1).
- Maximum 5 inches.
- For engineered rim joists, the manufacturer's recommendations shall govern.
- The minimum distance from bottom row of lag screws or bolts to the top edge of the ledger shall be in accordance with Figure R507.2.1(1).