Damp proofing with SBR Additive

23 Aug 2006
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United Kingdom
On advice from a Damp Proofing consultant, I had an interior wall replastered from the brickwork to avoid further occurences of efflorescence.

The SBr was painted onto the brickwork and also mixed in with the base and finishing plaster. The result was a very strong smelling plastered wall. (the smell was of the SBR a silicone type smell)
Even after 1 week with a primer coat of emulsion (the plaster had dried ) the smell is bad and actually gets worse after heavy rain. The area includes a chimney breast and the 2 alcoves either side.

So will this smell disappear, how long might it take. And is it normal for it to smell more after heavy rain.

Cheers for any advice
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are you sure the smell isn't a sooty-ammonia- kinda- metallic- back-of- the-throat smell?
er maybe why do you ask? hard to say exactly what the smell is. But I did have to clean the chimney out after the plastering
get yourself some good old chimney soot and put it into a bucket.

mix a little water with the soot.

then add some cement.

hey presto smelling salts.

what a pong!
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why would the smell be coming from the plastered walls though. How would the soot have got there.

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