Pressure treated lumber especially made for this type of wall is readily available in home improvement centers.
Pressure treated lumber retaining wall.
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Your fasteners should be hot dipped galvanized stainless steel or rated by the manufacturer for construction with pressure treated wood.
There s no beating pressure treated lumber in ground contact situations.
Yet there is another type of wood retaining wall that uses lighter weight dimensional pressure treated lumber.
And finally if the retaining wall is holding back earth.
Dec 9 2019 explore steve medina s board pressure treated timber retaining wall on pinterest.
In terms of difficulty this project rates on the more high side on the homeowner s scale.
We built the exposed surfaces of this wall with brown pressure treated lumber and below grade members with less expensive green treated lumber.
On dec 22 2010.
Interior walls are within a climate controlled environment and are presumed to be free of moisture.
Note that this requirement is only for exterior walls as these may wick moisture onto the lumber.
The reason for double hot dipped galvanized fasteners as opposed to electro galvanized or coated is that the new formula for pressure treating.
If your lumberyard doesn t carry brown use green for all the parts and stain any exposed wood after the wall is up.
Your best choice is a pressure treated wood that has a rating of 40 or higher.
It can be used to construct raised flower beds to fill in low spots in your yard or to grade around your foundation.
The lumber for this wall will be acq pressure treated 6 by 6 and 2 by 8 s with double hot dipped galvanized fasteners.
Pressure treated wood should only be used for low retaining walls and limited to areas that have good drainage.
Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade.
Before beginning have a plan for all the soil you ll be removing.
We chose the brown simply for its looks.
Because a retaining wall is going to be in contact with the ground make sure you use lumber that s rated for ground contact.
Perry mastrovito design pics getty images.
If you want to move the earth build a retaining wall by the time you re done you ll feel as though you ve moved half the planet.
And it doesn t rely on sheer weight to hold back the slope as do masonry walls.
How to build a pressure treated lumber retaining wall written by doityourself staff.