Pressure Treated Lumber Specs. The predominant species of treated wood is a regionally available softwood. In accordance with requirements for the following applications:
2x8s, 2x10s and 2x12s for joists, stair stringers and beams. Within a pressurized cylinder, preservatives are forced deep into the wood cells. Lumber and plywood bearing the prowoodfrmark has a flame spread rating of 25 or less (class a) when tested in accordance with astm e84, “standard test method for surface burning characteristics of building materials.”
6x6s for support posts and plywood. • each piece of lumber and plywood shall bear a hoover treated wood products, inc., treating identification mark indicating retention and applicable standards. Within a pressurized cylinder, preservatives are forced deep into the wood cells.
Ground or fresh water contact 3. Within a pressurized cylinder, preservatives are forced deep into the wood cells. Larger dimensional lumber (2×8 and above) can be treated to.60 pcf with.
Studs, flooring, joists, trusses, sill plates, interior trim, and. The best pressure treated wood for decks is select, #1 or #2 grade wood. Treated wood is generally available as dimensional stock in 2x4s, 2x6s, 4x4s and 2x2s for rail components.
Structural posts and poles (sawn or round) 4. Species & sizes of pressure treated wood. In accordance with requirements for the following applications:
5/4x6s and 2x6s for decking. To prepare it for harsh marine environments, wood is pressure treated with a combination of water and preservatives to keep pests away and slow the rate of decay. User specification for treated wood.
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