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PostPosted: Sat Sep 30, 2017 8:18 pm 
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Hi everyone.

I've just completed a repair on a 1930's house that has suffered from rising damp for many years.
Basically, the original suspended timber floor was replaced at some point in time with a solid concrete floor, but the job was done badly and without consideration toward the original DPC. Leaving a bridging issue to cause rising damp.
So, having put in all the hard work I thought I might share a video that I put together that explains the issue and how I went about repairing it.
I've published it on Youtube and it can be found here-
I hope it's clear enough & helps someone along the way. Cheers.


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PostPosted: Sun Oct 01, 2017 6:57 pm 
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is ther a membrane a DPM under the concrete. knock off plaster an open up the brickwork an inspect the cavity for blockage bridging.post some phots of inside an outside near the door. isther any cavity fill?



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PostPosted: Sun Oct 01, 2017 9:02 pm 
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The same problem existed on both the internal walls (Single course brick) and the external cavity walls (With cavity fill)
It wasn't a blockage, just a really bad job of filling in the concrete floors.
There was a DPM on the top of the concrete floor (probably painted on some years after the floor was filled, because of damp rising through the floor) but the bridging was never identified or fixed. Until now :)
Thanks


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PostPosted: Sun Oct 01, 2017 10:00 pm 
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your vid didnt work for me first time i looked. i thouht you were asking for advice.
your trench should have gone down into the soil an rippings of plastic should have lined the trench. then asemi-dry mix should have been used as a filler. mix the lot on the floor with a shovel not in a bucket.
i'd still say while youve got open brickwork to pull a few bricks an examine the CWI for damp an the cavity for bridging debris.



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PostPosted: Sun Oct 01, 2017 10:44 pm 
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Many thanks for the reply, wes56.
This time the job is behind me, but if I ever find anything similar, I'll gladly follow your advice.
Cheers.


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