for example 2x6 materials can usually span 24 without any noticeable deflection and still support a significant load. however, lumber prices are rising and therefore it is more common to see 5/4x6 deck boards that should not span more that 16 and usually 12.
what is the safe spacing of 2×6 deck joists to support a 3500 dead load of a sp this topic contains 50 replies, has 19 voices, and was last updated by ethanb 4 years, 5 months ago
which is better for deck flooring: 2x6 or 1x6 deck boards? ask question asked 8 years, 4 months ago active 9 months ago an other option if you have wider joist spacing is to add a joist between each one if possible, then you can use 1x wood or even low
what is the safe spacing of 2×6 deck joists to support a 3500 dead load of a sp. i would double up the joist in that area and also add double joist in between them to 12 oc also add a double 2×8 beam underneath that area to break that 10 ft span in half .then im sure it will be good to go .
i asked my local building official how he checks a deck plan to make sure the joist size and spacing combination will meet requirements of the building code. he goes to the 40 lb. live load floor joist span tables in chapter 7 of the state residential code based on the 2012 international
when supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. a double 2x12 beam can span 12 feet; a 2 2x10 can span 10 feet and so on. dimensional lumber deck beam span chart . the numbers in gray indicate the distance between the support posts.
any less thickness produces a springy, weak deck. joist spacing also determines how thick your deck boards must be. joists spaced 16 inches on center will take both 5/4 and 2-inch deck boards which are actually 1-1/2 inches thick .
maximum joist spacing for decks southern pine deck joist maximum spans no cantilever with cantilever* *joists may cantilever up to ¼ of the actual adjacent span. for example, a 2 x 12 joist placed 16 oc. spanning 16-6 between supports
install decking with 3" pressure-treated compatible deck screws instead of nails. use two nails for each joist to deck board connection. locate screws about 3/4" from the edges of boards. start installing deck boards at the outside of the deck and work towards the house wall. stagger butt joints as much as possible for a nicer appearance.
re: deck joist size i use all 2x6's for joist max span is 7'. the strength of a deck is in the post and footings. it has nothing to do with joist span. long joist span allow for way too much flexing of the wood due to severe climate and humidity changes. decks require a bunch of post and beams. those who hang decks off of houses have no foresight.
find out how far your deck joists can span when framing your deck. choose from multiple types of decking and from 2x6 up to 2x12 joists. find the correct deck joist spacing at decks.com.
you are here: home > topics > ask a pro > what is the safe spacing of 2×6 deck joists to support a 3500# dead load of a sp. what is the safe spacing of 2×6 deck joists to support a 3500# dead load of a sp. this topic contains 50 replies, has 19 voices, and was last updated by ethanb 4 years, 5 months ago.
re: deck joist size i use all 2x6's for joist max span is 7'. the strength of a deck is in the post and footings. it has nothing to do with joist span. long joist span allow for way too much flexing of the wood due to severe climate and humidity changes. decks require
find the correct deck joist spacing and span before you start building. see calculations for 2x6, 2x8, 2x10 and 2x12 deck joists and common types of wood. determining the correct deck joist spacing and span is actually more complicated than you may think.
the proper deck joist span distance between supporting beams below the joists for your deck should be known before you start building and is needed to draft your deck plan. the spans of joists varies based upon several factors: joist size, spacing between joists, decking
span entries are listed for 2×6 through 2×12 joists and 12 in., 16 in., and 24 in. on-center spacing. the illustrations one for cantilever joists and one for flush rim-beam hung joists point out where joist span measurements are taken from the saddle of the ledger mounted joist hanger to the center
lag screws or bolts joist hanger deck joist 1-5/8 min to 5 max existing wall sheathing deck joist existing floor joist ledger board hold-down or similar tension devise located in at least 2 locations, within 24 of each end of deck. min of 1,500 lb stress design capacity for each device existing fully threaded 3/8 diameter lag screw.