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-   -   how to reduce mositure issue on basement? (http://www.diychatroom.com/f19/how-reduce-mositure-issue-basement-121600/)

diy001 10-28-2011 01:44 PM

how to reduce mositure issue on basement?
 
2 Attachment(s)
I think my 1950's poured concrete basement has big moisture issue due to the poor concrete. But fortunately we don't have water issue and above grade French drain has protected the house from surface water’s attack.
I have put two coats of Thoroseal Waterproof two years ago. Now efflorescence comes back and it is really bad (see the attachement or the link): http://www.flickr.com/photos/bostonjames1980.
I have contacted with Thoroseal and Quikrete to ask appropriate product for my case. Thoroseal recommends Thoroseal Plaster Mix and Quikrete recommends Quikwall Surface Bonding Cement
http://www.caribbean.basf-cc.com/en/products/Waterproofing/Cementitious_Waterproofing/Thoroseal_Plaster_Mix/Pages/default.aspx
http://www.quikrete.com/PDFs/SPEC_DATA-QUIKWALL.pdf
I am thinking finish the basement this winter. What should I do to deal the moisture issue with the concrete walls?


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