Damp in external walls

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Alamo
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Damp in external walls

Post by Alamo » Wed Aug 02, 2017 10:22 am

I live in a 30s semi with solid brick walls, which are pebbledashed and painted, There is some water penetration. To overcome this, I need to know my options, please.
Do I Repaint the existing surface; Strip the pebbledash and replace with smooth screed or wallcoating; etc?
Notch1
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Re: Damp in external walls

Post by Notch1 » Wed Aug 02, 2017 12:10 pm

you could try a waterproofer first if you dont want to re-coat

http://bit.ly/2uVltRf

Thomsons water seal is not as good as this stuff, hence why its much more expensive.

Assuming it is water penetration caused by porous walls? Check guttering, DPC etc
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Alamo
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Alamo
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Re: Damp in external walls

Post by Alamo » Fri Aug 04, 2017 1:50 pm

Thank you, Notch1
I'll look into that. The existing pebbledash looks well past its prime so for cosmetic reasons as well as damp-proofing, I will still need to re-coat either with masonry paint or go the whole hog and replace the pebbledash with a resin finish.
wes56
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Re: Damp in external walls

Post by wes56 » Sun Aug 06, 2017 7:48 pm

photos of the damp and the outside of the wall will show a lot more.
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