Musty crawl space


Old 04-02-08, 05:18 PM
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Musty crawl space

I live in Minnesota in a 4 year old split level house. My crawl space is right over the entrance and during the summer months it begins to feel damp and smell musty. What are some possible solutions would finishing the spot with sheetrock help or hurt? How do I make sure mice stay out also? Thanks for replies.
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Old 04-02-08, 05:30 PM
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Make sure gutters and downspouts are clear and carry water away from structure. Downspouts should be connected to drains at least 10 or so feet away from structure. Soil around structure should slope at least 1'/50' in landscape. Soil in crawlspace should be covered with 8# minimum polypropylene vapor retarder, overlapped, taped, and run up sides of foundation and attached with silicone caulk. Crawl space should be dry.

Exclusion is the best control for mice and other critters. Seal all cracks and gaps in foundation and where pipes and wires enter the structure and around pipes beneath sinks. A mouse can slip through a hole as small as a dime. Eliminate food sources in the landscape. Eliminate pet food dishes and bird feeders. Eliminate debris and hiding and nesting places. Bag all garbage and place in sealed containers.

There are dehumidifiers available for crawlspaces. By eliminating all moisture issues and taking the proper preventive controls, you should be able to eliminate musty odors.
Old 04-03-08, 05:59 PM
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How much mold do you see down their.
Old 04-03-08, 06:07 PM
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You dont say . Is it sealed , do you have a 6 milpoly down on the ground. Insulation on the walls. Outlets in the duct and a return in it down there? go to

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