How To: Prevent frozen pipes with This Old House

Prevent frozen pipes with This Old House

Watch this video from This Old House to learn how to prevent frozen pipes.

1. Seal air-leaking holes and cracks around home with expanding foam sealant or silicone caulk.
2. Use foam-rubber pipe insulation to protect exposed pipes from cold.
3. Slip foam-rubber insulation over pipe, peel away backing strips, then press the adhesive surfaces together.
4. At pipe corners, miter-cut the ends of the foam-rubber insulation with scissors, then secure the corner joint with foam tape.
5. Before attempting to thaw a frozen pipe, open the faucet.
6. Locate ice blockage, then use heat gun or blow dryer to thaw frozen pipe; don't use propane torch or other open flame.
7. If the frozen section of pipe is inaccessible, use an electric pipe-thawing machine.
8. Find the exposed ends of the pipe, then place one clamp from the machine onto each pipe; the machine will warm the pipe and eventually melt the blockage.

Prevent frozen pipes with This Old House

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