How to Fix a Rusty Paint Can Lid for Good
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- Опубліковано 17 гру 2022
- How to prevent rust falling in your paint from a rusted paint can.
In this video I'll show you how to transfer water based latex paint from a can with a rusty lid and lip to a plastic container you have sitting around your house.
SUGGESTED PRODUCTS:
Paint Strainer - Fine (thin paint) - amzn.to/448rAkj
Paint Strainer - Medium (thicker paint) - amzn.to/4aCR6Aw
Kitchen strainer for real thick paint - amzn.to/3xwCTXe
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“100 Things Every Homeowner Must Know” - amzn.to/3xSceof
“Ultimate Guide to Home Repair and Improvement” - amzn.to/3L7JMC5
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Thank you. My neighbor had 5 of those Kirkland containers. I grabbed 3 and will transfer my paint after the strainer comes from Amazon. Thank you so much🥰
You're welcome! I'm glad my video was helpful.
Great! Thanks
You're welcome! Glad I could help.
It's not a bad tip - except for one important thing: The vast majority of screw-on lids are not watertight, much less airtight. They usually come with an aluminum film that you remove when you first open them, and that's really the only thing keeping the stuff inside from spoiling. Soda bottles are one of the few exceptions that are pretty tight. If you look closely it has a flexible liner in the cap that makes that possible unlike in your jar, as well as much deeper threading. The threading it's waterproof, but it helps get a firm grip to keep the cap liner in tension.
I'm about 99% certain that the containers you show here aren't watertight. I don't live in the US, but I've seen several similar ones where I live and I actually use them for storage myself.
It's easy to check. Just fill it with water, screw the lid, then start shaking it a few times upside down. You will probably feel a few drops start to seep out.
This isn't ideal for storing paint because it means it will slowly be drying up at the very least (and potentially also open to bacterial growth). It will happen at just a fraction of the speed of a fully open lid, but over a year or more that can be enough to ruin a paint.
You can modify many of them to work better though.
The poor, but easy way is to fold several layers of ceran wrap or similar thin plastic film over the opening before screwing on the lid. The flexible plastic will help fill in the airgaps and hopefully make a decent seal. This can sometimes be sufficient. Second way is to plastic bag the whole container and seal the bag well. Inelegant but it works.
The third option that I prefer (but is significantly more work) is to use silicon caulk on inside ring of the lid, and then screw down the lid not all the way, but about 70-80% - then off again. This will leave a perfect imprint of a flexible sealing ring. Let the silicone cure now before using. To prevent the silicone sticking to the container itself and making a terrible mess you just spray that part well with some soapy water. You can clean it easily when it's all cured. This can make for a solid container you can reuse many times. At least if you use glass or polypropylene plastic which is relatively easy to clean cured paints from. PET plastic like you have there is much more accepting of paint, so it might only be usable once. I've never tried paint with PET because I knew it would probably be a problem to clean :)
Ok, sorry for the rant but hopefully you got something useful from it :)
Hello TheStigma, thank you for your feedback. I agree that the seal on the container used for storing paint is very important. And people using this method will want to take it into consideration when choosing a replacement container. As for my experience with the use of a plastic nut jar, the paint has been stored for about two years now and it's not showing any signs of leaking or drying out.
In addition to your suggestions, I advise people who try this method for paint storage to make sure they clean the lip of the jar after each use to ensure a good seal.
Thank you
You're welcome
I tried this with exterior house paint, and it took over an hour for the paint to go through the filter. Tried making a filter with screen material with the same result. What grade filter were you using?
One other thing I do to try and seal the can is turn it upside down for about 30 seconds. Paint coats the lid from inside an helps seal it.
I was concerned that thicker paint would take longer. I'm surprised that screen was that slow as well. I found this brand which offers a medium mesh strainer, but it's only slightly different (226 microns vs. 190). The only thing left would be to find a screen with even larger holes or maybe go to a fabric (e.g. old sock) so you can squeeze it to speed up the process.
Medium (thicker paint):
www.amazon.com/Trimaco-SuperTuff-Strainer-Medium-4-Pack/dp/B000BQYHCA/ref=sr_1_3?keywords=supertuff%2Bpaint%2Bstrainers&qid=1695645664&sr=8-3&th=1
Thanks for sharing your experience with us.
My Dad used to use an old stocking (pantyhose) and that seemed to work