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Posted: Thu Apr 19, 2018 1:12 pm
by jonathanhat
I need to re bed edging stones in a customers garden any advice to make sure they stick! Been down 7 years now all loose. I was thing a 3 to 1 sharpe sand / cement mix? The stones are approp 12cm x 20cm and 2.5cm deep, the subase is pretty solid.

Advice appreciated.

Posted: Thu Apr 19, 2018 3:20 pm
by seanandruby
That's why they are loose. You need to lay on a concrete bed with haunching. Go to the prescribed concrete mix page, think you need st1.