Window Air Sealing Techniques | Ask This Old House
A video on YouTube. In DIY & Home Repair, a Krater category.
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The Ask This Old House team demonstrates practical ways to air seal old single-pane windows, explaining R-values and U-values, and comparing options like storm windows, shrink kits, weatherstripping, and caulking.
From the video
Answers: How do I air seal old single-pane windows?
- window air sealing
- R-value vs U-value
- storm windows
- window shrink kits
- weatherstripping installation
- caulking window casings
What it concludes
- Storm windows provide a second layer of glass that creates a stagnant air pocket, effectively making it a double-pane window to stop air leakage.
- Plastic shrink kits installed on the inside can effectively stop air leakage for the winter season and be removed in the spring.
- Caulking where the casing hits the jam or the wall seals gaps and stops drafts.
- Weatherstripping installed at the bottom of the sash or between sashes stops air leakage during the winter months.
- Air sealing old windows improves home comfort and reduces the energy load on heating systems.
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