6x6s for support posts and plywood.
Pressure treated wood for deck joists.
5 4x6s and 2x6s for decking.
How far apart should deck joists be spaced.
Decks get wet and may be framed with incised treated lumber so spans may have to be adjusted.
Deck joists rotting from the top edge down because the deck boards and debris keep them damp for weeks after rain.
Species sizes of pressure treated wood.
The joists were pressure treated lumber so i was surprised at how badly decayed they were.
He sees it all the time.
Until a few years ago the irc didn t have deck joist span tables.
The predominant species of treated wood is a regionally available softwood.
Make any wood replacements with a similar type of pressure treated lumber.
It s also much less expensive.
Treated wood is generally available as dimensional stock in 2x4s 2x6s 4x4s and 2x2s for rail components.
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.
The wide majority of decks and deck frames built in the united states feature pressure treated lumber as the deck framing material.
Pressure treated lumber can support more weight and span longer distances than cedar redwood or other woods commonly used for building decks.
But my friend wasn t.
The maximum joist spacing you can use will depend on the size and allowable span of your.
If repairing a damaged joist support the deck on one side or it could crash.
2x8s 2x10s and 2x12s for joists stair stringers and beams.
If a cosmetic issue remove the plank flip and refasten.