The tops of cement block walls are typically capped by applying a layer of mortar embedding metal reinforcement strips then covering the wall with solid concrete cap blocks.
How to build small concrete wall.
Place nails at least 8 feet apart.
Scrape off excess mortar.
Nail a 2 by 4 to.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
How to form a homemade concrete wall step 1.
Finish the surface of the wall as desired.
Lay out the wall and excavate the slope and the footing trench.
Install the first course of blocks using a taut string line to establish a straight row.
Try to make the frame pieces as long as you need them to be.
Push the first block into the mortar until it s 3 8 inch above the footing.
See below for more information on contraction joints remove forms and install waterproofing and drainage system.
If you re building your own forms you will probably.
How to do it build and prep footing.
Mark all the edges of the course.
Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.
If you re building a long wall build the frame in sections.
Build the footing and insert.
Place nails marking the outside faces of your wall at least 8 feet apart down.
Allow concrete to cure.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
Make sure joints between cap blocks are filled with mortar and smoothed with the finishing tool.
Create contraction joints every 4 6 feet.
Measure from the edge of your concrete footing to the point where the outside face of your wall will be.
Rest the frame pieces against a solid surface to prevent them from falling.
If the wall exceeds four feet in height footings should be poured separately.