Affordable Moisture Detection. If you would like to equip your crews with moisture meters but balk at the price, take a look at General Tools' MM80G. The maker says that this inexpensive electronic meter will measure moisture content from 0 percent to 44 percent in lumber, concrete, and drywall. The company also says that the pins supplied with the tool are long enough to insert into a piece of drywall to measure moisture in the wall cavity caused by a hidden leak. The meter sells for $70. General Tools, 800/697-8665.

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