Pressure Treated Floor Trusses

Pressure treated band boards the band that the floor joists attach to.
Pressure treated floor trusses. Pressure treated joists those are the 2 4 s or 2 6 s that support the shed floor you walk on. When one selects treated lumber within the program it will take the necessary lumber and plating reductions. These problems must be addressed firsthand prior to implementing any restoration steps. 1 ft 0 3048 m.
1 psf lb f ft 2 47 88 n m 2. Believe it or not madison wood preservers has the world s largest wood treating facility in. As indicated in our tji joists specifier s guide on pages 6 10 and 16 tji joists are intended for dry use applications only. Perry mastrovito design pics getty images.
Dead load weight of structure and fixed loads 10 lbs ft 2. Also pt lumber is corrosive so connections need to be such that they resist corr. Roof trusses and floor trusses offer an eco friendly and affordable building solution and are 100 american made from sustainable managed us forests. This pressure treated lumber comes from right here in madison va.
Note that this requirement is only for exterior walls as these may wick moisture onto the lumber. Yes pt lumber can be used for framing including floors. If there was water damage make sure that whatever leaky pipe or condensation issue caused the rot is fixed. Live load is weight of furniture wind snow and more.
Page 10 of the specifier s guide contains information about cantilevered tji joists in protected applications as well as the attachment of treated dimension lumber cantilevered framing for balcony applications. While the corrosion protection of truss plates is no different from the corrosion protection of any other steel fastener or hanger that comes in contact with treated lumber there are a few more considerations that come into play whenever treated lumber is going to be used in a truss application. The allowable stresses of pt lumber are lower than non treated lumber which means it can not span as far. 2 grade of douglas fir are indicated below.
Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade. Maximum floor joist span for no. Interior walls are within a climate controlled environment and are presumed to be free of moisture. Lumber with a p following it is pressure treated and lumber with an i following it is incised pressure treated.
Raised wood truss floor system.