How tall can a wood retaining wall be?

Your walls can be as long as you want, but limit the height to 4 ft. Add more terraces as needed to retain higher slopes, stepping them back about 4 ft.

What size timber should I use for a retaining wall?

6 x 6
Wood Retaining Wall Large timbers, usually 6 x 6, can be stacked and reinforced by steel rods inserted through holes drilled through to grade. There is a concern for the chemicals in railroad ties leaching into the surrounding soil. This has reduced their frequency in raised bed food gardens.

How tall does a retaining wall have to be?

Even small retaining walls have to contain enormous loads. A 4-foot-high, 15-foot-long wall could be holding back as much as 20 tons of saturated soil. Double the wall height to 8 feet, and you would need a wall that’s eight times stronger to do the same job.

What kind of lumber do I need to build a retaining wall?

Calculate the timber you’ll need to buy. For this project, we need twelve 8-foot 6x6s to build a 2-foot tall wall. Pressure-treated lumber, especially made for this type of wall, is readily available in home improvement centers. Before beginning, have a plan for all the soil you’ll be removing.

What are the different types of retaining walls?

We also review the four most common types below: timber, interlocking blocks, stacked stone, brick or block, and concrete. Although retaining walls are simple structures, a casual check around your neighborhood will reveal lots of existing walls that are bulging, cracked, or leaning.

Why do you need footing for a retaining wall?

A well-planned footing should provide lasting support for the retaining wall. Retention, or retaining, walls provide a practical means to make a difficult slope manageable and hold up some amount of soil and vegetation while lending landscape interest.

How tall of a wall do you need for a retaining wall?

How long does a wood retaining wall last?

Wood retaining walls are typically built with pressure-treated timber, and they’ll last 40 years or more, when treated or preserved properly. This Costimate provides you with detailed wood retaining wall costs for materials and labor. DIY installation costs are covered too.

Where can I buy 8 ft landscape Timber?

The “8 Ft. Landscape Timber” is listed as “Pressure Treated for long life” on HomeDepot.com. Check your local Home Depot store on the internet for availability. Do they come in colors ,,, like black?