Place nails marking the outside faces of your wall at least 8 feet apart down the planned length of your wall.
How to make a concrete wall higher.
Add all of the concrete directly to the hole.
You won t get all of the hidden debris at first so you will need to give the concrete a more thorough cleaning.
Take up the block and spread mortar on the footing.
How to build a concrete wall figure a.
Mix and pour concrete to fill the footer hole.
This way you can see where your wall is.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
Purchase enough concrete to fill the hole then add it all to a big mixer with a pouring ramp.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more.
Tie mason s string down each side of the planned wall using the nails to keep the string straight.
Use a pressure washer to clean out the remaining debris.
Of compacted base 1 in.
If your wall will be less than 8 feet in length place two nails to mark the end of the wall.
Remember to check out the full diy construction video on our website.
Learn how to build a low wall from concrete breezeblocks.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Of leveling sand and half the height of the first course of blocks.
When installed properly concrete offers much more room for customization than any other retaining wall material.
They don t contain the aggregate stones or gravel that s necessary to make a pour thicker than about 3 4 in.
Use a screed to smooth out the concrete immediately before it has a chance to set.
How to build a concrete retaining wall.
Don t confuse concrete mix with sand mix or mortar mix.
You re likely to find more than one kind of concrete mix on the shelf including fast setting high early strength and fiber reinforced.
With this high level of technicality comes incredible versatility.