3 X 6 Floor Deck Board Spans

If you use 5 4 decking joists must be no farther apart than 16 inches.

3 x 6 floor deck board spans.

2x10 to 15 feet and 2x12 to 18 feet. Some wood species are stronger than others so refer to the decking span table below before going to the deck joist span table. Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors. 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.

The table includes spans for. Obviously the larger the beam the greater the distance it can span between posts. How far apart are floor joists placed. Recommended beam joist spans for deck framing.

However this seems to match the 6 joist span column of the table. In general terms joists spaced 16 inches on center can span 1 5 times in feet their depth in inches. Don t be afraid to go to use a shorter span if you are unsure. Until a few years ago the irc didn t have deck joist span tables.

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. A lot of questions revolve around joists when it comes to building a deck. 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 do i keep them even.

A redwood 4x6 beam should span no more than 6 between supporting posts. 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. Michael t 5 17 2017 12 53 19 am reply. A 2x8 up to 12 feet.

Decks get wet and may be framed with incised treated lumber so spans may have to be adjusted. Refer to the deck beam span table below to assist in determining the maximum span of a given beam between posts. Decking boards span from joist to joist. If you will run decking at an angle you might need to put the joists closer together.

What is the proper placement. 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. Read more below about the details of deck framing including deck joists beams and blocking. Again it s important to know your local codes.