Ask This Old House — Episode 7: Jacking It Up; Chainsaw Smarts

You are watching the episode Jacking It Up; Chainsaw Smarts Tom works with a homeowner to repair a sagging floor in a three-family house. Together, they jack up the failing beam, pour new concrete footings, and install several new lally columns. Back at the barn, Roger works with chainsaw expert Tim Ard to sharpen and maintain his saws.

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