The ends of each joist and beam shall have not less than 11/2 inches (38 mm) of bearing on wood or metal and not less than 3 inches (76 mm) on concrete or masonry for the entire width of the beam. Joist framing into the side of a ledger board or beam shall be supported by approved joist hangers. Joists bearing on a beam shall be connected to the beam to resist lateral displacement.
Deck beams shall be attached to deck posts in accordance with Figure R507.7.1 or by other equivalent means capable to resist lateral displacement. Manufactured post-to-beam connectors shall be sized for the post and beam sizes. All bolts shall have washers under the head and nut.
Exception: Where deck beams bear directly on footings in accordance with Section R507.8.1.
FIGURE R507.7.1 DECK BEAM TO DECK POST
Exception: Where deck beams bear directly on footings in accordance with Section R507.8.1.
For SI: 1 inch = 25.4 mm.
FIGURE R507.7.1 DECK BEAM TO DECK POST