The Crawl Space Journal
The Crawl Space Journal
Plain-English guides on moisture, mold, sealing, repairs and energy, written to be read in a few minutes.

The BasicsWhat Order Should Crawl Space Repairs Happen In?Water first, structure second, then seal, dry and insulate. Doing it in order saves money.
Mold and AirWhy Does My House Smell Musty?Often the smell comes from under the floor. Here are the usual causes and how to clear them.
The BasicsWhat to Expect During a Crawl Space InspectionAn inspection is the first step of any good project. Here is what happens and what you get.
Energy and ComfortHow to Protect Crawl Space Pipes From FreezingPipes under the house freeze first. Here are the simple steps that help.
Energy and ComfortCan You Insulate a Crawl Space, and Should You?Wall or floor, foam or batts: the right answer depends on whether the space is sealed.
RepairsSigns of a Sagging Floor and Failing SupportsBouncy or sloped floors can start under the house. Here is what to look for and when to call.
MoistureSump Pump or French Drain for a Wet Crawl Space?They solve different parts of the same problem. Here is when each one fits.
Mold and AirHow to Tell If You Have Mold Under Your HouseMold under the house can reach the air upstairs. Here is how to spot it and what to do next.
MoistureWhat Humidity Is Safe in a Crawl Space?Mold likes it humid. Here are the numbers that matter and how to keep a crawl space in a healthy range.
MoistureSigns of Crawl Space Moisture ProblemsYour house usually tells you before the crawl space fails. Here are the signs to watch for.
SealingAre Crawl Space Vents a Good Idea?Vents were meant to dry crawl spaces. In humid weather they often do the opposite. Here is why.
SealingWhat Is Crawl Space Encapsulation?Encapsulation seals the space under your home. Here is what goes into it and what it does for the house above.Have a question that is not here?
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