damp


Postby suzeander » Sat May 02, 2009 8:39 pm

damp
Last edited by suzeander on Tue May 05, 2009 8:23 pm, edited 2 times in total.
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Postby stoneyboy » Sun May 03, 2009 5:43 pm

If your house has cavity walls the most likely cause is mortar on the wall ties causing bridging for damp. Look and see if the grid of dimples is about 0.75 X 0.75m.
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Postby suzeander » Mon May 04, 2009 8:42 am

thanks for that reply.you are spot on with your veiw.what do you think would solve the problem and might it be serious.
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Postby stoneyboy » Mon May 04, 2009 1:37 pm

First thing is to confirm the presence of mortar on the wall ties. Hire an endoscope with integral light source, drill a hole through the inside wall about 50mm above a damp patch and have a look.
If there is mortar sitting on the ties it must be knocked off and this is not a simple task. You may be able to get at some of the ties if you can get access to the top of the cavity and it is open.
If your cavities have been filled with insulation removal and rebuilding the outer wall may be the only solution.
If your house was built in the last 10 years you may be able to persue a claim through NHBC or whoever guaranteed the build.
Not good news either way - a major problem.
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Postby alexsr@hotmail.com » Wed May 13, 2009 2:55 pm

Check out this new solar powered ventilation and dehumidifying solution website:

Google "solarventi.co.uk"

I had one installed and the effects were amazing
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