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Old 01-15-2010, 12:08 PM   #16
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Installing a Vapor Barrier into existing crawl space


Even if he knew about it, a closed crawl space probably wouldn't be a good alternative for the building in question.

What was really interesting though, is that there were two "certified" mould remediation contrators who came in to look at the job first, and they both came up with much more expensive solutions than the hygienist. He was very practical and down to earth and made everything simple. Cost about $200 to have him look things over. You can pretty much summarize what he said in three phrases: Clean the hard things with soap and water, discard the porous things, and don't use bleach.

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Old 01-15-2010, 02:21 PM   #17
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Installing a Vapor Barrier into existing crawl space


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Originally Posted by pyper View Post
The American Board of Industrial Hygiene. He was called in specifically to devise a mold remediation protocol that involved a vented crawlspace in the South. The original poster doesn't mention if his
I'm in Louisville KY. It's about as South as the North will allow and as North as the South will allow - basically hot sticky summers, some snow and cold during the winter. The space in question is.. odd. I tried to take pictures but the flash on my phone isn't enough to take a good picture in the odd lighting - I'll get some tomorrow with a real camera. Anyhow - the area is an unfinished & dirt filled 1/4 of the basement. I don't understand why it wasn't just dug out or why there is a half wall and doorway going to it - but there is. The PDF attached is a rough plan (drawn as 30'x30') showing the area in question. hopefully between that and the pictures it will help answer a few questions
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File Type: pdf Drawing2-Model.pdf (13.5 KB, 73 views)
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Old 11-10-2010, 07:27 PM   #18
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Installing a Vapor Barrier into existing crawl space


I sealed mine using 6-8 mil plastic, seamed it using Gorilla Tape. To keep it flat and smooth, you can use landscape stakes (coat hangers bent in to a U shape). As far as the sides go, roll it 12 inches up the sides, I used Liquid Nail and it is holding up well. Also, I will mention after completing the process, I tested the RH and found the numbers were still too high. For that reason, I created positive ventilation (using the conditioned air from the house) by pushing low humidity air into the space. You can read my progress and results at this link.. http://homeownerbob.wordpress.com/category/crawl-spaces/

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