How To Build A Rock Retaining Wall Australia. Rock walls are heavy and apart from gabion rock walls nearly all other types of garden rock walls need a reinforced concrete foundation. Now is the time to roll in any.
Retaining walls greater than a meter require fall protection balustrade or fencing which again adds to the cost of the build. Fill the space behind the wall and the bank with coarse stone stopping about 8 below the top of the wall. The design of all rock walls needs to consider the soil profile soil type clay gravel or sand.
Backfill soil to wall.
Natural selection step 1. Cut the stone place the marked stone on the ground waste side down. The design of all rock walls needs to consider the soil profile soil type clay gravel or sand. Excavate two 550mm deep holes for the end posts pour in concrete to 600mm from the top use a spirit level to check for plumb in both directions then check the post is the right height.