Most composite brands have the same thickness, but softwoods and hardwoods will range from 1" to 2" thick for decking. Softwoods should be at least 1 1/4 inches thick for a 16" on center span. 2 inches thick will allow for a 24" on center span.Jun 25, 2019
How far apart can joists be for a deck?
16 inches
How far can 2x8 deck joists span?
Depending on various factors, the maximum span for a 2×8 floor joist is 16' 6”. The maximum span for roof rafters is 23' 9”. For headers, the maximum span is 11' 2”. Finally, a single deck beam has a maximum span of 5' 11” and double maxes out at 8' 9”.
Can you build a deck on 24 inch centers?
First is the decking material. ... Most composite brands have the same thickness, but softwoods and hardwoods will range from 1" to 2" thick for decking. Softwoods should be at least 1 1/4 inches thick for a 16" on center span. 2 inches thick will allow for a 24" on center span.Jun 25, 2019