How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
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Can stormy weather change the radon level in a house?
Monday, June 25, 2018
Two kinds of bad weather can raise the radon levels in a home temporarily. A heavy rainstorm that saturates the top layer of soil will seal the surface from rising radon gas and it will tend to migrate to under a home, where the soil is still permeable. High winds can lower the air pressure inside a home and enhance the natural “stack effect” of a home to pull in more radon from the ground.
Doing a radon test during stormy weather will likely produce an abnormally high reading and is not recommended. We avoid radon testing when a storm is approaching the area.
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