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- 27 Oct 2004
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I have just lifted carpet from this floor in preparation for laying ceramic tiles. Although this part of the house is over 200 years old I believe the base here was probably put down in 1976. There is a fairly hard, smooth, dark coloured surface on top of an unscreeded base. The surface is 1 - 2mm thick and looks as if it's had some adhesive applied to it in the past. Much of it is sound but in some areas, as pictured here, the surface is detached from the base so I plan to remove it, seal the base and apply a levellling compound. What is the surface and will it be ok to tile over the sound areas?