Pressure Treated Lumber Retaining Wall

We built the exposed surfaces of this wall with brown pressure treated lumber and below grade members with less expensive green treated lumber.

Pressure treated lumber retaining wall.

Perry mastrovito design pics getty images. And it doesn t rely on sheer weight to hold back the slope as do masonry walls. And finally if the retaining wall is holding back earth. How to build a pressure treated lumber retaining wall written by doityourself staff.

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. We chose the brown simply for its looks. On dec 22 2010. Your fasteners should be hot dipped galvanized stainless steel or rated by the manufacturer for construction with pressure treated wood.

Before beginning have a plan for all the soil you ll be removing. This retaining wall does not need unwieldy tie backs dug back into the slope like many of the 4x4 timber retaining 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. Because a retaining wall is going to be in contact with the ground make sure you use lumber that s rated for ground contact.

See more ideas about retaining wall wood retaining wall pressure treated timber. Dec 9 2019 explore steve medina s board pressure treated timber retaining wall on pinterest. Building a lumber retaining wall is a fantastic way to bring both form and function to your backyard landscape. In terms of difficulty this project rates on the more high side on the homeowner s scale.

If your lumberyard doesn t carry brown use green for all the parts and stain any exposed wood after the wall is up. The reason for double hot dipped galvanized fasteners as opposed to electro galvanized or coated is that the new formula for pressure treating. Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade. Yet there is another type of wood retaining wall that uses lighter weight dimensional pressure treated lumber.

There s no beating pressure treated lumber in ground contact situations. 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. Note that this requirement is only for exterior walls as these may wick moisture onto the lumber. Pressure treated wood should only be used for low retaining walls and limited to areas that have good drainage.

Your best choice is a pressure treated wood that has a rating of 40 or higher.