2x8s 2x10s and 2x12s for joists stair stringers and beams.
Pressure treated wood for deck joists.
Species sizes of pressure treated wood.
The maximum joist spacing you can use will depend on the size and allowable span of your.
6x6s for support posts and plywood.
It s also much less expensive.
But my friend wasn t.
The joists were pressure treated lumber so i was surprised at how badly decayed they were.
The wide majority of decks and deck frames built in the united states feature pressure treated lumber as the deck framing material.
Deck joists are typically spaced either every 12 inches or 16 inches on center.
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.
If repairing a damaged joist support the deck on one side or it could crash.
He sees it all the time.
Make any wood replacements with a similar type of pressure treated lumber.
The predominant species of treated wood is a regionally available softwood.
This guide will teach you to safely repair any deck or joist.
Pressure treated lumber can support more weight and span longer distances than cedar redwood or other woods commonly used for building decks.
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.
5 4x6s and 2x6s for decking.
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.
If a cosmetic issue remove the plank flip and refasten.