For upper-level decks, 2x10 is recommended as the minimum size to use for strong guard post connections. 2x6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. ... Most decking is not strong enough to support longer spans than 16".
Should deck joist be 2x8 or 2x10?
2x8 for joists will be fine, with 16" OC. Should use 2x10 for beams but 2x8 will be fine as well. If you are worried you can triple the 2x8 for the beams but double will be sufficient. You should put the beams at 7 and 14 feet out from the house, with the piers you should do 3 per beam with spacing of 1, 7, 13.Sep 15, 2009
How far can a 2x10 deck beam span without support?
A 2×10 beam – made up of two 2x10s nailed together – can span up to 11' without support beneath a deck that is 4' wide. For a more normal-sized deck, the same beam can span 8', supporting a deck that is 8' wide.
How far can you cantilever a 2x10 deck joist?
Joist Cantilevers According to the new span tables and IRC provisions, cantilevers can extend up to one-fourth the backspan of the joist. This means that joists, such as southern pine 2x10s at 16 inches on-center, spanning 12 feet are allowed to cantilever up to an additional 3 feet (see illustration, below).
How do you put a 2x10 together?
A 2x10 Beam should use a minimum of (4) - 3” nails fastened in a vertical pattern from both sides of the beam every 16” on center. Be on the safe side when in doubt and use extra nails, having too few nails can result in diminished holding strength that might allow the beam to separate.
How far can a 2x10 span for a deck?
For a more normal-sized deck, the same beam can span 8', supporting a deck that is 8' wide. You can also triple a 2×10 beam. In that case, you could span up to 15' for decks that are 4' wide and up to 10' for decks that are 8' wide.
How much weight can 2x10 hold?
1,200 lbs.
How far can a 2x10 beam span without support?
How Far Can a 2×10 Beam or Header Span? A 2×10 beam – made up of two 2x10s nailed together – can span up to 11' without support beneath a deck that is 4' wide. For a more normal-sized deck, the same beam can span 8', supporting a deck that is 8' wide. You can also triple a 2×10 beam.