Is your crawl space floor finished or sealed? What are the soils? Is it damp? We've done several unoccupied crawl spaces and have put a 6mil. poly down as a vapor retarder. Now the code dictates that a 10 mil. vapor barrier under all slabs is required. I'm not saying you need 10 mil., but a 6 mil. would contain the moisture under that space. If your soils are sandy and dry then venting below the vapor barrier would probably not be necessary. If you think it will be then a run of 4" perforated drain tile scratched into the soil under the vapor barrier as a way to vent it. A run in the center with trunks off of it is effective. Hook onto or continue one end to an outside source and let it breath. If you don't think the moisture in the crawl space is high than a vapor barrier may not be needed. I have seen assemblies that have installed a fan on a humidistat to control the moisture, but again a simple free air vent might do the same for you.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I�m handing him tools and he says, "give me that..." and I�ve already got it in his hand or "hand me that....."and I�ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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