Do you mean behind the liner on the actual walls? I've never had that and don't think most people have it on their pools. I have always had the pad on the bottom underneath the liner and the cove. That is all you need.
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Do you mean behind the liner on the actual walls? I've never had that and don't think most people have it on their pools. I have always had the pad on the bottom underneath the liner and the cove. That is all you need.
Welcome to the Pool Forum!
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