4x4 Pressure Treated Retaining Wall

Because a retaining wall is going to be in contact with the ground make sure you use lumber thats rated for ground contact. Sections you can get away with using a 4 ft. My landscaper has done retaining walls up to 6 high using bags of redi mix concrete.
4x4 pressure treated retaining wall

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For instance if you want a 2 foot high wall cut your posts 5 12 foot long.

4x4 pressure treated retaining wall. It can be used to construct raised flower beds to fill in low spots in your yard or to grade around your foundation. The kind you buy anywhere for 299. Cut your posts six inches longer than the depth of your holes plus the height of the retaining wall. Building a retaining wall with pressure treated lumber you are probably ok some kind of drainage rock behind the wall with an exit for the water never hurts.

In this video i show you the process of building a wooden retaining wall with 4x4 timbers. How to build a strong retaining wall with 4x4 treated post. In this video i give a quick overview on how to build a small retaining wall out of pressure treated 4x4s. The reason for double hot dipped galvanized fasteners as opposed to electro galvanized or coated is that the new formula for pressure treating lumber has one serious drawback.

I mostly buried the first board and used the structural screws linked below to fasten. Pressure treated lumber especially made for this type of wall is readily available in home improvement centers. Your best choice is a pressure treated wood that has a rating of 40 or higher. If you want to move the earth build a retaining wallby the time youre done youll feel as though youve moved half the planet.

It was fairly simple and only took about a day to build. If you appreciate the satisfaction. Yet there is another type of wood retaining wall that uses lighter weight dimensional pressure treated lumber. If youre building a wall with only a couple of 4 ft.

Choose the straightest pressure treated posts for the upright support beams. This retaining wall does not need unwieldy tie backs dug back into the slope like many of the 4x4 timber retaining walls. It was fairly strong immediately after building. Place one post in each hole.

There will be excess room on the sides. And it doesnt rely on sheer weight to hold back the slope as do masonry walls. Level but for a longer wall rent a builders level. Theres no beating pressure treated lumber in ground contact situations.

A good looking retaining wall depends on level footings and the best way to establish level over long distances is with a builders level. The lumber for this wall will be acq pressure treated 6 by 6 and 2 by 8s with double hot dipped galvanized fasteners. Before beginning have a plan for all the soil youll be removing. The instructions for building a retaining wall out of 4x4 treated post aim to help ambitious homeowners and do it yourselfers tackle this task.