still damp


Postby sfallon » Wed Jul 01, 2009 8:28 am

Had dpc done April beside the fire place and alcoves each side. Still have damp on both sides of the fire, damp has appeared a bottom in alcove next to door frame and seems to be spreading and half way up in the corner of one alcove.dpc people said it was rain coming down chimmey, had air pots put on, but no improvement, they say I will have to wait 6 mths. Is this right.
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Postby stoneyboy » Sun Jul 05, 2009 8:20 pm

sfallon,
Is this right. Quite possibly but it could also be that water is entering the chimney through the brick stack.
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Postby sfallon » Mon Jul 06, 2009 11:06 am

Thank you for your reply. Chimmey stack is O K had it inspected. The walls were really wet, could this be the reason or do you think that the walls should of been tanked?. I just do not understand why damp is still round the fire place and has appeared at the bottom of the door frame and in the corner of one of the alcoves.
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Postby col111 » Mon Jul 13, 2009 10:14 am

Replastering is always recommended as part of the DPC injection treatment as the damp wall may not dry out
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Postby sfallon » Tue Jul 14, 2009 11:43 am

Thanks for help. Walls have been replastered but damp still coming back in places. Is tanking a form of barrier. I am just going of what I had been told. This is all new to me.
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Postby stoneyboy » Fri Jul 17, 2009 6:46 pm

sfallon,
Tanking can take the form of an impervious layer usually painted on the wall. If the wall is inherently damp all this will do is spread the damp more widely - you do need to trace the source of the damp.
With the walls being damp and having them replastered I would suggest you wait for a few months to see what happens.
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Postby sfallon » Sat Jul 18, 2009 9:40 am

stoneyboy Thanks for advise, I will wait untill september it will be 6 mths then and if no change I will get the damp firm back.
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