How To Build A Small Retaining Wall With Concrete Blocks
Install a layer of large stones for good stability at the base.
How to build a small retaining wall with concrete blocks. No mortar is needed. Build a Retaining Wall using Concrete Blocks. Deep and 24 to 28 in.
The top of the wall should be at finished grade to allow runoff. Plain mortar makes an acceptable cap for a block wall but it requires some support. Smooth the top with a trowel.
Fill the concrete cores with crushed gravel. Instead of using stone or timbers make an attractive long-lasting retaining wall from pressure-treated 2x4s plywood and trim boards. Design yours as either a straight wall or curved wall.
Starter bars embedded in the base type determine the footing size and are lapped to vertical bars and walls are built with crossed with horizontal bars. The width of the foundation should be twice that of the width of the wall you are building and the wall should be placed in the centre of the foundation. Spread additional mortar and lay cap block to finish the wall.
This will give you a foundation overlap of 112mm either side of the finished wall. Butter the ends of the remaining block and set them centered on the wall tapping them level. DIY 5480 Have it done for 9500 Skill 710.
Wide for installing the compactable base material. Lay metal lath into the mortar before laying the last course of blocks. Staring at one end place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front of the wall.