by mookle »
Thu Jun 28, 2012 2:31 pm
Hi, i hope somebody can help. I'm renovating my victorian property and last week had the dining room electrics done. at this stage all of the walls were fine. previously due to the chimneys and air bricks being blocked the plaster on one wall had gone popcorny and we had removed it and dried out the wall. today the plasterer came to patch up the wall. a week ago he had visited to quote me so had inspected the whole room (no visable damp problem). he set up and after about an hour called me downstairs. he said i had rising damp and there was a highly visible tide mark on all three walls of the room (the forth wall is an archway leading into living room) I don't think this tide mark was there the night before and certainly wasn't the week before when he provided the quotation. I've ripped up the floorboards and there is not a leaking pipe and the brickwork and mortar under the plaster seem dry (i have removed a little to check). how can sudden extreme rising damp occur and what should i do next?