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Retaining Walls - How to Build With Blocks

Rockwell Versacut Retaining walls can be a decorative addition to your yard. They can be there just by beauty or functional (holding back dirt).

Don't Cover Four Feet without Engineering

In a short-term retaining wall, you can make lots of errors and it will still end up pretty well. Larger retaining walls require precision and are much more dangerous. That is why, any wall over four feet tall has to be looked at by an engineer. The soil ought to be tested, as well since, building techniques.

Dig - Put still another of the Wall in the Ground

Walls that just sit on the top of the ground tip over. In cold areas, retaining walls that go into the ground should go following the frost line. The reason why? Ground moves or heaves with the combination of cooling and heating and moisture. Even however the movement is small, it may still crack or break a retaining wall. In most areas the frost line is around 30 inches.

Sand - How to get a Flat Base

As soon as you dig down, you use sand (coarse is most beneficial) as base. So why? Sand is easy to manipulate to get a solid level bottom row. Take your time. The bottom row ought to be perfect. Put your level on the stones to make sure everything is perfectly level. You will need approximately two inches of timeless sand.

Gravel - You will need Lots of It

Gravel can be used as a base, but will be needed for many other things as properly. Like sand, get coarse gravel. If you use it as a bottom part, get the smallest gravel you can find. For Allan Blocks, you certainly will put the gravel in the block. The gravel assists for drainage and keeps the wall blocks jointly. Put larger gravel (3/4 inch would be good) in that Allan Block. In addition you will put gravel behind that wall for drainage (six inches is standard). With regard to optimal drainage, put a pipe in the gravel and have the idea gently slope to where you would like the water to set off.


The bottom must be compacted. If the wall starts to sink halfway built, you might regret it dearly. Additionally compact the fill dirt because you build the rows. It will make the wall sturdier and less chance of the backfill slumping with completion.


There are grid products that could be purchased that go between block rows and are anchored in the plug dirt. The product appears like a big roll associated with tarpaper only it appears like plastic and is a grid. It isn't usually necessary, but would be an added strength.


Retain the wall level with a string line, string level, and a regular level. Make sure you have a long level (several feet). Short levels won't show that you are off, but are useful for setting block.

Wall Caps

You can use liquid nails for stone or masonry cement. The cement is definitely a better choice, but even more time consuming to apply. During cement application ensure you wet down the natural stone first. Many first timers make an attempt to put the caps on when the stone and cement are generally too dry.

Dropping Stone

A large mason chisel and little black dress sledge hammer will lower the stone. You may well use a circular saw which includes a diamond blade.

Retaining Walls - How to Build With Blocks

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