What Is the Easiest Retaining Wall to Build?

Are you a DIY enthusiast wondering which retaining wall is the simplest to construct? That depends on your budget, the size of your retaining wall, and which materials you plan to use.

For the cheapest and most DIY-friendly option, use landscape timbers or logs to construct a retaining wall that’s less than four feet high. However, these materials are susceptible to decay and insects, lacking structural support for taller walls.

For walls that reach at least 48 inches in height, use masonry materials such as stone, brick and concrete blocks. Additionally, you must incorporate weep holes for drainage purposes.

A secure foundation trench constructed out of gravel or concrete provides level support and keeps your wall stable as it grows. Once this step is complete, it’s time to lay the first course of block.

Make sure your first course is evenly spaced by using a standard level and checking that each block is straight and even. If there are any gaps, add more gravel or use a rubber mallet to tap them back into place until everything looks even.

Next, spread a layer of pea gravel over the soil to prevent water from seeping behind and weakening your retaining wall. Rake away any dips or bumps as your retaining wall develops.

Once your retaining wall is several inches thick, you can cover it with landscape fabric for extra durability and proper drainage. Although more expensive than pea gravel, this material provides better stability for the retaining wall to rest upon.

Another budget-friendly and straightforward installation solution is a breeze block retaining wall. These lightweight concrete blocks come in various colors and shapes and sizes, making them suitable for many landscaping projects.

The great thing about this style of retaining wall is that they’re easy to install and maintain, especially if you have a small yard or are new to building. Plus, their modern aesthetic blends in perfectly with many garden designs.

Murata Variable retaining wall blocks don’t have a lip, making them easier to stack and lay flat on your gravel base. Some have flanges so be sure to knock those off before stacking the blocks for evenness and levelness.

Once your retaining wall is constructed and secure, you can add more gravel and a piping system for drainage away any excess water. You have two options: either use perforated pipes that let water run through them or install an underground drainage system which directs water flow where it’s most needed.

If you’re thinking of building a retaining wall that exceeds four feet in height, consulting with a licensed engineer is recommended. They will be able to advise you on the most suitable wall design for your area and help get you the permit needed for construction – saving both money and time in the long run!