What's the best way to cover patio in stones that stay down with glue?
by
Lucy
Keen diy'er have followed many of the tips on here, garden is the last thing to be done in this house, it has to end up low maintenance, I love discovering new and alternative ways to achieve amazing results
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use 100% Silicone caulking. It weathers well and won't crack and break like glue.
Silicone will only hold for a short time. The chemical composition of Silastic, which Silicone is made from, is dissimilar to concrete. One is acid base and the other is alkaline. They will eventually repel each other.
The best bonder, assuming that your concrete is clean, I think would be a Mastic, used to bond tile in showers. You want to consider a product that will stand the freeze and thaw of your climate