In Tool Lab, tool expert Chris Ermides demonstrates how tables saw blades work; Heath explains why and how to use a voltage tester; Mark helps a homeowner extend her existing patio.
Duration: 26 minutes and 46 seconds
Episode Number: 2009
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Ask This Old House travels across the country to help homeowners tackle everyday home improvement projects.
For 20 seasons, our expert contractors have revealed tricks-of-the-trade while working alongside homeowners to solve each problem.
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