Mix the fill mortar slightly wetter than what you d use for joints.
Concrete bag retaining wall diy.
A simple cost effective way to make a retaining wall is to stack 60 lb.
Smooth the top with a trowel.
When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar.
There are block retaining walls stone retaining walls and poured concrete retaining walls but these can be quite complicated and expensive.
Concrete runs about 4 bucks a bag and at height of 3 or so would require a good number to provide 3 feet of wall.
Rather than messing around with mortar they lay the walls down like lego pieces using concrete while it s still in the bag.
Over time the bags will degrade and you will have an elegant and permanent retaining wall.
How to build a concrete wall figure a.
Of leveling sand and half the height of the first course of blocks.
So diyers have come up with an interesting trick.
Of compacted base 1 in.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
An easy way to build retaining walls.
Once the bags are laid you wet everything down thoroughly with a hose saturating all of the bags.
Set it back about a half to a quarter inch so the wall will lean gently into the hill.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Spread additional mortar and lay cap block to finish the wall.
That s right the idea is that you don t open the packaging.
Offset the next row by about half or a third of the length of the concrete bag while stacking it on top of the first row.
Video of the day.
A verysimple concrete bag retaining wall with no work.
Step 7 fill the trench between the dirt and the concrete wall with some gravel.