External Damp in Brickwork in New Build 2 Year Old House


Postby Bobmann » Thu Apr 14, 2016 3:52 pm

I have a new build house (2 years old) a damp patch has been present for about 6-8 months (see pictures)

there are no obvious holes in the brick work, the window ledge seems sealed well enough.

The builders Wheeldon Brothers say our two year warranty is up so they wont do anything and NHBC say unless it is coming in internally they wont do anything.

Has anyone seen this before? If I leave it will it rot/corrode the cement and brick work?

Any advice is welcome thank you.
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Postby welsh brickie » Mon Apr 18, 2016 5:26 pm

that's unusual, I would say a pipe was leaking, causing that amount of damp.
You can hire a borescope from your local hire shop, drill a hole in the cavity and check for the cause
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Postby Jarek » Wed May 11, 2016 12:12 am

Hi
If not pipe it might be salt contamination. By mistake one of the sand bag was with unwashed sand?
Hard to say
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