There s no beating pressure treated lumber in ground contact situations.
Pressure treated wood retaining wall design.
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.
Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade.
Although building inspectors are busy and shouldn t be used as a design source mine offered me some good advice.
This retaining wall does not need unwieldy tie backs dug back into the slope like many of the 4x4 timber retaining walls.
Because a retaining wall is going to be in contact with the ground make sure you use lumber that s rated for ground contact.
Your best choice is a pressure treated wood that has a rating of 40 or higher.
Level but for a longer wall rent a builder s level.
And it doesn t rely on sheer weight to hold back the slope as do masonry walls.
The lumber for this wall will be acq pressure treated 6 by 6 and 2 by 8 s with double hot dipped galvanized fasteners.
See more ideas about retaining wall wood retaining wall pressure treated timber.
Note that this requirement is only for exterior walls as these may wick moisture onto the lumber.
Perry mastrovito design pics getty images.
Since wood does not bear an equal amount of pressure per square inch as does concrete or other masonry opt for a stronger material if your wall will be higher than 2 feet.
Sections you can get away with using a 4 ft.
Interior walls are within a climate controlled environment and are presumed to be free of moisture.
Pick a building material that will work with the look and feel of your yard.
Retaining walls can be constructed with various materials from stone to wood.
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.
A timber retaining wall is great for reshaping a sloped yard and lending a real identity and presence to your garden area.
If you re building a wall with only a couple of 4 ft.
Dec 9 2019 explore steve medina s board pressure treated timber retaining wall on pinterest.
Pressure treated wood should only be used for low retaining walls and limited to areas that have good drainage.