That means these joists can span the 12 foot depth of the deck and the beam can be located at the perimeter.
Floor joists for deck.
The finished floor is then installed on top of the subfloor.
Composite deck joist space.
Deck joist spacing should never exceed 16 on center with the exception of max deck boards which allow for maximum 24 on center.
Nine joists will be needed for the 16 foot width.
Here s a helpful chart covering the most popular wood framing species and their maximum allowed spans.
The bigger you make your deck the more you ask of the framing timbers that hold up the deck s structure and the joists and beams that support the deck s floor can only span so far before the.
The subfloor is the decking installed on top of flooring joists.
Deck joists have a different maximum span length depending upon the size spacing and framing material that you re creating your deck with.
The thickness of plywood panels in a subfloor is regulated by the.
If adding additional framing be sure to keep all boards level and in plane across the tops.
The larger the deck the larger the joists.
For best results refer to our wood and composite deck joist span table.