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I had a retaining wall built recently and have two questions. The blocks are trapezoidal with two large holes (see pics).

First, I was advised that I should fill the wall with concrete sand (to extent possible), so about half is filled, but I'm beginning to doubt it's necessary. The wall goes from ground level to about 3 feet max. Thoughts?

Second, my wife has chosen the caps, and they are natural stone with all four sides "rough edged." So there will be lot of cutting (the wall is about 70' long). I've already cut some pieces successfully with an angle grinder, but it's a lot work. Would a wet saw work better?

Thanks in advance for any advice.
 

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JUSTA MEMBER
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Fill the blocks with gravel. You need them weighted, of the hillside behind them will push them over.

Or install a series of "tiebacks, dead men" system to anchor it.


A wet saw with diamond blade will be easier to cut those capstones with.

And a lot less dust too.

Can rent one, or purchase one.

Get the one with a sliding bed to lay the stone on, not the little one a 7.25 inch of bigger one.


ED
 
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