http://home.vocaboly.com/959/owens-corning-insulation/ Home improvement Sat, 22 Nov 2008 03:10:49 +0000 http://wordpress.org/?v=1.5.2 http://home.vocaboly.com/959/owens-corning-insulation/#comment-252 Mon, 17 Mar 2008 22:16:13 +0000 http://home.vocaboly.com/959/owens-corning-insulation/#comment-252 Information Requested - In insulating a below grade basement (walls) with fiberglass insulation, I was considering leaving the vapor barrier off the inside because the poured concrete walls have a painted-on cementitous waterproofing (Thorough Seal) on the interior. If a little water seeps through the concrete wall from the outside and gets into the batt insulation, I would like it to be able to dry out through the gypsum board. I am concerned that adding a vapor barrier under the drywall on the inside (room side) face of the wood studs would trap any moisture, causing potentially more problems. This is in Omaha, NE in a residential basement that has had very minor leakage due to rain gutter issues which have been corrected. The outside of the concrete wall has typical tar-based waterproofing on the outside and to prevent leakage through shrinkage cracks, waterproofing was applied to the inside of the concrete. Your opinion on whether to use an interior vapor barrier or not would be appreciated. Thanks, Denis Goeser Leo A Daly, Architects and Engineers 402-390-4241 Information Requested -
In insulating a below grade basement (walls) with fiberglass insulation, I was considering leaving the vapor barrier off the inside because the poured concrete walls have a painted-on cementitous waterproofing (Thorough Seal) on the interior. If a little water seeps through the concrete wall from the outside and gets into the batt insulation, I would like it to be able to dry out through the gypsum board. I am concerned that adding a vapor barrier under the drywall on the inside (room side) face of the wood studs would trap any moisture, causing potentially more problems. This is in Omaha, NE in a residential basement that has had very minor leakage due to rain gutter issues which have been corrected. The outside of the concrete wall has typical tar-based waterproofing on the outside and to prevent leakage through shrinkage cracks, waterproofing was applied to the inside of the concrete. Your opinion on whether to use an interior vapor barrier or not would be appreciated.
Thanks,
Denis Goeser
Leo A Daly, Architects and Engineers
402-390-4241

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