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Old Mod
Don't disagree Ray but without their instructions how can I cover myself!so how many tilers work for poly pipe or any other wet uth company .so how have they gained there knoledge .how many diffrent tiles have they tested and adhesives decouplers .none would be my guess. leave it to the tile test dummys .next time ask for a copy of there test reports.on the tiles adhesive decouplers .they have tested .could be a long wait