How to Lay Landscaping Fabric Behind a Retaining Wall


A retaining wall adds beauty and architectural interest to a landscape, providing a support wall around planting areas or other features in a yard. Building a retaining wall does not require extensive skill or experience because the stones or bricks fit together tightly without mortar in many cases. After building a retaining wall, take the time to lay landscaping fabric behind the stones or bricks to contain the soil. By creating a barrier, you can prevent the soil from seeping through the wall to preserve the integrity of your wall for many years.

Things You'll Need

  • Roll of landscape fabric
  • Scissors
  • Gravel
  • Soil
  • Decorative stone or mulch (optional)
  • Unroll the landscape fabric the approximate depth of the cavity behind the wall.

  • Place the edge of the landscape fabric down behind the retaining wall, allowing the edge to fall all the way down to the bottom of the cavity.

  • Lay the landscape fabric still connected to the roll over the top edge of the retaining wall.

  • Cut off the landscape fabric with the scissors so that the top edge of the fabric lies on top of the wall.

  • Repeat the process with landscape fabric along the entire wall to create a barrier on the backside of the wall.

  • Fill the cavity with gravel and soil. The Lowe’s website recommends placing a 6-inch layer of gravel closest to the wall if your wall is taller than 2 1/2 feet. Pour a layer of gravel about 6 inches wide and 6 inches deep and then add soil to fill in the same depth as the gravel. Continue adding gravel and soil in 6-inch-deep layers to fill the cavity until you fill it completely.

  • Cut off the extra landscape fabric lying on top of the retaining wall, making the fabric even with the top of the wall.

  • Cover the fill you poured into the cavity with decorative stone or mulch, if you desire.

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