Mapie Aqua Defense as decoupling agent?
I'm getting ready to tile the floor of a 10'x11' storage room in my garage. The slab has been down for twenty years and has no cracks in the surface. Originally I was going to lay the tile directly on the concrete but everyone says you have to use a decoupling mat. That would almost double the cost and I'm not sure I need it? It's just a storage room. The only other route I see is to use Mapie's paint on Aquadefense, which they say doubles as an uncoupling agent? Trying to save some money here. Any comments would be apreciated.
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consider that uncoupling agent as an "insurance" policy. As a business, with the responsibility that comes along with that, I put down an uncoupling layer. As a homeowner, trying to save some money, I wouldn't.