Efflorescence advise please.

[GM8]

Hello All

Not had to deal with efflorescence before so your advise will be appreciated. I've got a newly built extension with cavity walls to board. Some of the internal block work is damp as the roof has only just gone on, but once dry I intend to dot & dab. However I also appear to have efflorescence appearing on some of the internal blocks, can I dot and dab on it or do I need to treat it any way? Or just wire brush it and crack on.

Thank
G.

 

[Jgreenplastering]

Don't wet it any more.
Let it dry as much as poss then just wire brush it off.



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[Danny]

get a dehumidifier in there and get the place dry

 

[brimplas1]

Treat it with a salt neutralizer.... i get mine from a company called pam-ties..... it stinks but is good stuff. ...

 

[GM8]

Thanks for the replies guys.

 

[Danny]

Thanks for the replies guys.

let us know how you get on