The 2020 update is now up today june 15 2020 a 5 5 minute video update about my concrete bag retaining wall it s a real nail biter.
Cement bag concrete bag retaining wall.
This will keep our culverts and driveway all intact while giving it a cool look.
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.
A simple cost effective way to make a retaining wall is to stack 60 lb.
Video of the day.
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.
See how well it works in part 2.
Building a retaining wall in the conventional ways above is not a trivial matter.
Rip rap is a sand and cement mixture packaged in a biodegradable kraft bag designed for erosion control applications.
Rather than messing around with mortar they lay the walls down like lego pieces using concrete while it s still in the bag.
Rip rap is also available in a biodegradable polyester scrim reinforced kraft bag for improved durability.
Step 7 fill the trench between the dirt and the concrete wall with some gravel.
So diyers have come up with an interesting trick.
There are block retaining walls stone retaining walls and poured concrete retaining walls but these can be quite complicated and expensive.
They look like sandbags but are actually hessian bags filled with wet concrete and pinned together with steel rods making a good solid retaining wall.
Over time the bags will degrade and you will have an elegant and permanent retaining wall.
Friends old and new show up and help us put up the first section of our retaining wall.
There is no mixing or forming required simply stack the bags as described in the usage instructions.
We re using a dry bag method stacking in courses and stabilizing wit.
Building a cement bag retaining wall around a culvert by pouring dry concrete mix in small lunch bags and stacking them like bricks.
That s right the idea is that you don t open the packaging.
From a cost perspective basic wall blocks would look much better and be cheaper you could set them up as a pair if you need to extend beyond the 2 foot height limit.