Well I will far enough from the border and I certainly wont be interfering with the building.
I have two large liners from the last pond and was considering using this underneath the base of the pond to stop any moisture affecting the concret base. The only problem I can imagine is if the liner deteriates in condition will it leave voides and make the concrete more prone to cracking? thoughts please. I will also be useing steal in the concret for extra suport.
Dan
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