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david robson
hi first post. im an amateur tiler want to lay tiles on a concrete floor adding underfloor heating which requires a 10mm insulation board. this will raise the floor level by approx 25mm with the tiles laid. At the moment the concrete is flush with the adjacent rooms wood floor so i will be left with a 25mm lip. Is this a common problem and how do you overcome the visual aspect in the change of level. Replies appreciated thanks