We have a hump in our Amtico floor,a very damp floor under our sink with the damp radiating in a semi circle upwards from the floor on the external wall. There are pipes for an outside tap, dishwasher[aquastop type] and the sink piping with stopcock all which are above the damp level and are dry. What is wrong and how can we fix it? We have a granite worktop which could not be moved.
dont have any flow thru your pipes,and put a screwdriver on cold kitchen tap,put your ear to screwdrivr handle and listen,if you can here hiss/rumble/wisper then u may have leak.get waterboard out,we see this everyday,local water inspector will tell u whats up
john
July 2009
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