How to Protect Car Weatherstripping From its 2 Big Enemies: Heat & Frost Damage

Be honest with yourself, unless you actively have an issue with your car’s weatherstripping, you don’t think about it at all. It’s easy to forget about until it tears and water starts coming in, which can cause mold and electrical issues!

Video: How to Protect Weatherstripping!

Protect Your Car's Weather Stripping From Summer's Heat & Winter's Ice • Cars Simplified Quick Tips

The weatherstrip protection video above shows a product that has been around for ages, but hasn’t appeared on YouTube until this video! Let us know if you’ve seen it in another video!

Weather stripping is expensive to replace and it is difficult to find a roll that matches exactly what your car needs, to maintaining the original weatherstripping will be the most cost-effective method in the long run, plus it helps keep a better seal and keeps it from sticking when things get hot and humid or water tries to freeze your door shut. Plus, getting in and out of a compact car may cause you to rub up on weather strip, so normal wear and tear could cause damage to exposed weather seals, regardless of temperature.

Cheap Weatherstrip Damage Prevention: Steve stands behind a car door holding the AGS lube stick he uses in a Cars Simplified video to protect the weatherstripping on the orange 2018 Subaru Crosstrek.

Potential Weatherstrip Damage From Cold & Ice

A door gets frozen shut when water gets into the weatherstripping and freezes, sticking to the texture of the foam. This grease stick fills those pores and also repels water, so the door is less likely to stick if water freezes on the weatherstripping, and less ice will form on it anyway. Water will bead and roll off of this seal protectant, making it helpful when snow and ice melts, too!

Trying to open a frozen shut door may tear weatherstrip material with just one pull, so if you live where this is an issue, this stick is vital! Make sure to coat all of the weatherstrip on both the car and door sides, so nothing sticks! One spot sticking can cause a door to peel off that missed spot, and that will eventually work its way further along.

Potential Weatherstrip Damage From Summer Heat

In southern regions where heat is a bigger issue, the wax will be what sticks to the metal/paint instead of the foam, so this will prevent ripping of the weather seal in the heat, too. The foam can become stronger on the outside than the inside, so when a tear starts, it can get big!

Heat is rough on anything soft, so protecting it keeps you from having to replace it or deal with it being too soft and/or sticky. Heat also melts wax pretty easily, so in extreme environments, you may need to apply this stick more often.

Closing Thoughts

Hopefully this saves you a load of hassle in the long run! Weatherstrip is much easier to deal with before damage is done, so preventative maintenance is the best way to reduce headaches and it will save you money, too. Don’t forget locations like under the hood, your trunk or rear hatch, some sunroofs, and other sealed off sections. Check out the video description for more information on where to get that stick, and the comments are always open for questions about it and weatherstrip problems. Here are some other interesting automotive posts on this site:

If there is anything you want to know about cars, especially stuff that doesn’t seem to be answered already on YouTube or the Internet in general, let us know! We are always looking for new topics to cover, and providing answers better than the rest of the Internet!

Check out the Cars Simplified YouTube Channel for more videos; we have quite a back catalog of educational automotive videos ready to watch for free! Thanks for watching and reading!

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