1.   He found a place where a few trees grew so thick and close to the ground, no moisture could penetrate them.

2.   It saves a few pence but it is a weak point that could allow moisture to penetrate.

3.   Eventually the moisture will penetrate through the walls and rot the framing.

4.   Excessive moisture can penetrate the wood, causing rot and decay.

5.   Farther south and east, showers and a few thunderstorms will douse parts of the central Mississippi and lower Ohio Valleys as gulf moisture penetrates northward.

6.   These plastic boards are not waterproof and excessive moisture can penetrate and cause them to lose up to half their R-value.

7.   With these cracks, moisture can penetrate easily and the plant will spring to life more quickly.