Reinforced block and concrete walls block foundations use cinder blocks 8 x 8 x 16 inches that are stacked on each other and cemented in place with mortar.
How to build a block wall on a concrete slab.
Draw an outline of the wall on the concrete with chalk and then remove the blocks.
For a freestanding landscape wall this involves creating a simple rectangular outline of the planned foundation.
Exterior wall on slab must be out on the edge.
Start the fourth layer with a half block and continue starting layers with half blocks every other layer until your wall has reached the desired height.
This prevents water from leaking under the bottom of the wall to the inside of the building.
The first step in building a concrete block wall is to lay out the foundation using stakes and masonry string.
Once this concrete has cured it will have created a bond between the block rebar and concrete slab forming a single structural unit and the rest of the blocks can be laid as normal.
Step 2 mix the mortar according to the directions on the package.
An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab.
Start the third layer with a regular cinder block and build out.
The process starts on the top of the.
Repeat the buttering and laying blocks technique to build out the wall s second layer.