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repairing a crumbling damp concrete floor?

I am just about to lay new flooring in the kitchen. When I removerd the old floor tiles I found the concrete floor was crumbling, probably caused by damp. Is it possible to repair or does the whole floor have to be renewed.
Alex, February 2008
sounds like you need a new floor laying with damp proof membrane and to meet new building regs insulation.you could use a levelling compound but it would be a bodge job.

ck, February 2008