I've just removed the carpet and underlay from a room (its was there when bought the house). the floor is 'oily' I noticed in a patch where the concrete was broken around the fireplace that there appears to be a tar impregnated fibre layer under the concrete - I'm guessing this is 1950's damp proofing. (the floor appears to be made of a concrete base then a tar layer then a (i guess) a self leveling concrete type layer)).
In the alcoves the floor is lower than the rest of the room.
Is it better to removed the 'level layer' which sits ontop of the tar or try and seal the floor?
(Its the same in the front room of the house)
Last edited by goose on Wed Jun 04, 2008 9:37 pm, edited 1 time in total.
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