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Showing results for tags 'decoupler'.
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We have a passive slab and are busy choosing tiles, approx 270 sq m and we would like them to be 120cm x 120cm and a couple of tile shops have said we will need an anti crack mat which I assume is a decoupling membrane. Our slab is generally 100mm thick apart from the load bearing areas and has steel reinforcement within the concrete. What I am asking is the mat a necessary item or a just an in case item in that if the concrete does crack then the tile will not crack? Not sure if this needs another thread but what have people done with expansion joints? I really do not like them and a tile supplier I spoke to last year said we would not need them but I see them all the time in large tiled areas in commercial buildings and it is another one of those do I or do I not fit them. TIA
