You can buy window insulation kits from a hardware store or online. Kits usually include plastic shrink film that is applied to the indoor window frame with double-stick tape, then heated with a hair dryer to shrink the film and remove any wrinkles. You can buy strips of self-stick rubber weather sealing at a hardware store or online. Cut long strips down to fit your window dimensions, then peel and stick to the frame to close any gaps and keep out drafts.
Key Takeaways:
- exterior caulking. Once this begins to crumble, cracks can start to form around the window frame.
- Use a strong putty knife to scrape window edges clean of the old caulking and peeling paint.
- Load your no-drip caulking gun with a cartridge of exterior-grade silicone caulking and hold it at a 45-degree angle in order to get deep into the cracks around the window frame.
“The Energy Information Administration reports that the average home loses as much as a third of its energy as a result of poor window insulation. Luckily, there are several ways to mitigate this loss. Follow these best practices for how to insulate windows, and you can secure a warmer winter with just one weekend of work.”
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