Deck joists are typically spaced either every 12 inches or 16 inches on center.
Pressure treated wood for deck joists.
But my friend wasn t.
It s also much less expensive.
Treated wood is generally available as dimensional stock in 2x4s 2x6s 4x4s and 2x2s for rail components.
6x6s for support posts and plywood.
5 4x6s and 2x6s for decking.
How far apart should deck joists be spaced.
Pressure treated lumber is the logical choice for the structural part of your deck the posts joists beams and other members you normally don t see.
Deck joists rotting from the top edge down because the deck boards and debris keep them damp for weeks after rain.
If repairing a damaged joist support the deck on one side or it could crash.
The joists were pressure treated lumber so i was surprised at how badly decayed they were.
If a cosmetic issue remove the plank flip and refasten.
The wide majority of decks and deck frames built in the united states feature pressure treated lumber as the deck framing material.
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.
Make any wood replacements with a similar type of pressure treated lumber.
He sees it all the time.
Species sizes of pressure treated wood.
This guide will teach you to safely repair any deck or joist.
The predominant species of treated wood is a regionally available softwood.
The maximum joist spacing you can use will depend on the size and allowable span of your.
Until a few years ago the irc didn t have deck joist span tables.