Why can't you use regular decouplers on small tiles?Yeah Bal Rapid Mat. Used it once. Fits easily but can gather if u push too hard when laying, jobs a year old and no phone call. It was main contractors wish to decouple, confused me a bit, it was a solid ground floor hallway. As it was original style Victorian I couldn't use regular decouplers, tiles were too small, so went with the Rapid Mat.
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