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.
3 x 6 floor deck board spans.
Michael t 5 17 2017 12 53 19 am reply.
If you use 5 4 decking joists must be no farther apart than 16 inches.
In general terms joists spaced 16 inches on center can span 1 5 times in feet their depth in inches.
Decking made of 2x4s or 2x6s can span up to 24 inches.
Learning the correct deck joist spacing beam span and measurements for your materials is one of the key ways to get to know your deck from the inside out.
Steel post cap connectors plywood post to beam cleats other connectors deck porch railings code requirements safety deck framing tables codes specifications questions answers about allowable spans for deck floor or porch framing.
However this seems to match the 6 joist span column of the table.
Recommended beam joist spans for deck framing.
Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors.
Refer to the deck beam span table below to assist in determining the maximum span of a given beam between posts.
Until a few years ago the irc didn t have deck joist span tables.
The table includes spans for.
2x10 to 15 feet and 2x12 to 18 feet.
Decks get wet and may be framed with incised treated lumber so spans may have to be adjusted.
Obviously the larger the beam the greater the distance it can span between posts.
A redwood 4x6 beam should span no more than 6 between supporting posts.
How do i keep them even.
In the article it is stated that a 12 joist span corresponds to the double beam span a length equal to the 2x width.
How far apart are floor joists placed.
A lot of questions revolve around joists when it comes to building a deck.
If you will run decking at an angle you might need to put the joists closer together.
Read more below about the details of deck framing including deck joists beams and blocking.
What is the proper placement.
Again it s important to know your local codes.
Some wood species are stronger than others so refer to the decking span table below before going to the deck joist span table.
It s better to build a deck that is strong than bouncy and unstable.
But the 2015 irc included a new one table r507 5 that will make it easy for deck builders to spec a joist size for a given span and joist spacing.
Your selection of decking material will determine the maximum spacing of your joists.
