Thermwell created the do-it-yourself weather sealing industry when it introduced Frost King Felt Weather-Strip, “The Original Weather-Strip,” more than 50 years ago.
Today Frost King has a comprehensive line of soft foam tapes and aluminum weatherizing products to help you save money, save energy and stay comfortable.
In addition to self-stick tapes, Frost King offers many nail-on weather-strips, including felt (the most economical); and tubular vinyl gasket.


Q: How do I install Foam Tape?

It's quick, and it's easy to install the Frost King Home Weather stripping tape. You can print out our easy to use instructions, or take a quick look at the handy guys video.

Q: Should I clean the window or door before I install the Foam Tape?

A little warm water and soap should be enough to clean off any loose dust or oil from your window sill or door jam. It's generally good practice to clean any surface before you put down Frost King Tape. Not only will the seal be stronger, but the tape will adhere to the surface for a longer stretch of time.

Q: How much money can uninsulated windows cost me?

Drafts are more than just nuisances, they can be costly, between 10% and an astonishing 25% of your home's energy bill can be lost due to leaky windows.

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