Having a 1/16-inch unsealed crack around a window is like leaving that window open 3 inches. Decrease your heating bill and your energy use by sealing up air leaks. You will need caulk cartridges, a caulking gun, a putty knife, weather stripping and optional: expanding foam sealant. Tip: Caulking guns with an automatic release create much less mess than simple caulk guns and are well worth the extra few dollars.
It’s Black Friday week on WonderHowTo! Don’t miss out on all of the big sales in the Gadget Hacks and Null Byte shops. And if you’ve been wanting to take some classes without going into debt, check out our best deals on online courses for a variety of skill sets. Don’t miss out on these huge discounts:
See Gadget Hacks’s top 10 BF sales on online courses (up to 99% off) >
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