2x6 joists should only be used on ground level decks that do not require and will not provide for any guards.
Pressure treated wood for deck framing.
Probably the most difficult decision to make when building a wood deck is what type of decking to use.
For upper level decks 2x10 is recommended as the minimum size to use for strong guard post connections.
6x6s for support posts and plywood.
Radius edged cedar pressure treated and composite decking share similarities.
As an alternative consider upgrading the decking and railings with composite materials bottom right.
The predominant species of treated wood is a regionally available softwood.
Treated wood is generally available as dimensional stock in 2x4s 2x6s 4x4s and 2x2s for rail components.
Whether you are building the deck yourself or hiring a contractor the use of pressure treated wood helps assure that your project will provide years of enjoyment and peace of mind.
For conventional guardrail post installation bolted to the side of the framing larger framing will provide more strength in the rails.
2 grade there is a method that can be used for estimating beam spans for a preliminary design.
Pressure treated lumber top right is the standard material to withstand weather.
For pressure preservative treated southern pine no.
The longer the joist the more area of deck the joist supports and thus the beam supports.
Some pressure treated wood products provide warranted protection against termites and fungal decay.
Building codes for residential decks only require 40 psf.
All three choices 5 4 x 6 in.
For any part of your deck that comes in contact with the ground or is critical to the structure s safety make sure you re using wood designated for ground contact.
Joist spacing for.
Species sizes of pressure treated wood.
Pressure treated lumber that s designated for above ground use can be used for deck railings but it shouldn t touch the ground.
5 4x6s and 2x6s for decking.
Then protect your wood decking with stains and sealers.
Find decking pressure treated lumber at lowe s today.
It resists mold and mildew and easily cleans up with soap and water.
Most pressure treated lumber is wet when delivered directly from the store so you ll need to let it dry before staining typically for six months.
They re all rot resistant to varying degrees require 16 in.
For decking materials always use pressure treated lumber pressure treated decking or treated deck components for any outdoor project.