I’m framing a deck with a center beam and trying to figure out whether to overlap the joists over the center beam or cut them and butt them over the beam. What are the considerations with each option?
—S. Fortier via the FHB forum
Editorial advisor Mike Guertin replies: When deck joists meet over a center bearing beam, they have to be connected in some manner. The International Residential Code (IRC) doesn’t mention this in section R507 that covers deck construction, but it is addressed earlier in section R502.6.1, Floor Systems. The code gives us a couple options to join