Bedding Compounds Explained: Caulking Choices & 3M 5200 Adhesive Remover Testing
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- Опубликовано: 8 фев 2025
- Needing to remove the Devil's Goo, I ordered and tried 2 of the best rated adhesive removers designed specifically for breaking the bond of 3M 5200. In addition I also cover the things you should be considering when choosing the most appropriate bedding compound for a particular project.
I mainly discuss 3M products but there are others available that would also fit the bill. The thing that you'll want to look at specifically is the adhesive / bonding strength of a particular compound. For most situations, more is NOT better!
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As always Andy you make great videos that inform and are to the point. Thank you!
Great informative video as always Andy! Thanks for the product comparison!
Great info Andy. Just took the tower off my Blackfin 29 Combi. Was hoping they didn't use 5200 as the sealing material...but they did. Now have (minor) gelcoat repair to do due to the 5200 bonding so strong it delaminated, despite my best efforts, some of the gelcoat during removal.
Andy, when I use product like a paint stripper or when I am removing the scum off the bottom of boat I cover the chemical with a sheet of plastic. The plastic keeps the product from drying out so it can work longer and penetrate deeper. It not only works better, but you will also use less product. If those products you used eat plastic then I guess I won't work, but the plastic trick makes inferior products work good.
One trick I learned taking off a T-Top leg was to use braided fishing line wrapped on 2 dowels as a saw. That along with Debond allowed me to get them off with damage.
I use de bond to help remove transom brackets it helps getting putty knife blades into the 5200, decals and dinghy tubes
I find the decal eraser works good on small areas. Does not damage the paint
Just for additional info butyl has been used for years (40 or more) in industrial glazing (think skyscraper windows) and it was used for the hull to deck joint on my 1971 Albin Vega.
Good comparison. I would like to have seen three test areas. One for each product and one where you just used the oscillating tool with the scraper blade. I have never used a debonding chemical and have had what I consider pretty good results with just an oscillating tool with the rigid scraper (not the bendy scraper blade). Also relative cost information would have been useful. Finally, over the years I have noticed that 5200 is significantly cheaper than 4200 or 4000UV. That may be a factor for some cost conscious users choosing 5200 (plus the knowledge that someone else will likely be stuck with removing the 5200).
Practical Sailor did a test of these products and a few more. Re-mov was their product of choice.
I remember when you started working on the transom, you had used some chemical and it started delaminating the 5200 that was used (this was maybe 3 years ago when you first starting working on the transom). you could actually hear it coming apart.
Hi Andy! Thanks for another cool video…. Would putting a paper towel over the area, and soaking it to try to keep the surface wet… would that help?
What about through the hull exhaust, or the brass drain plug?
Top tip, cover with plastic film when using anykind of removers. Paint removers etc. Wont let the solvent to evaporate so quickly.
Yes. Works very well.
Wooden boat builders use Dolfinite - specifically designed as a bedding compound.
Label says it can be used on canvas, wood, fiberglass, and metal surfaces too.
Made from dolphins 😂😂😂
Do they have brush on versions? Much more sensible, less wasteful (overspray), and useful (it goes where you want it) than aerosols.
don't think so. guessing a liquid would be better for being able to penetrate the compound compared to a gel?
@@boatworkstoday Gel might last longer for the product to work though. We need comments from the manufacturers! As to the need to keep the surface wet while the products work, how about spraying and covering with plastic film, like they do when stripping furniture? Just a thought...
yup that's totally an option for sure, especially for the un-hesive (they actually recommend that). Not sure about the de-bond, might need to use a special type of plastic that doesn't melt from the chemicals. It melts foam board like nobody's business lol
@@boatworkstoday I won't ask how you you that ;) Good to know! (Maybe waxed paper?)
Sempre cose interessanti, ottimi video.
Thanks for the test. I'm wondering if it works on stuff besides 5200. Did you see any difference with scored and unscored sides? Keep the good stuff coming.
I didn't really notice a difference between the two. What did seem to matter was the thickness of the 5200. thicker = easier removal for some reason :-)
One wonders about using a heatgun or torch to soften stubborn sealants and adhesives. What is your experience with this?
Well, that was just answered . . .
I use heat sparingly.. end of the day, fiberglass is just plastic and what happens when you overheat plastic??? It gets damaged, deformed
Did I miss whether or not the scoring helped?
I didn't really notice a difference between the two. What did seem to matter was the thickness of the 5200. thicker = easier removal for some reason :-)
Thoughts on Dolfinite?
I've not used it :-/
So…any thoughts about scored vs not scored?
I didn't really notice a difference between the two. What did seem to matter was the thickness of the 5200. thicker = easier removal for some reason :-)
Referring to 5200 as "the devil's goo" is hilarious..... and kind of accurate.
I’ve heard it called the Devils Toothpaste also. Entertaining both ways.
I’ve found one additional use for 5200. I wear sandals a lot, and walk in shallow saltwater often. I find the straps pull out of the soles long before the sandal is worn out. The only adhesive I’ve found that will hold is 5200. I clean out the strap socket in the sole of the sandal, squirt in a bunch of 5200 taking care to peripherally smear the sh*t over all the adjacent areas as per s.o.p., shove the end of the strap into the socket and clamp for a couple of days. Cool factor definitely is based on how much 5200 you are able to wipe off, but serviceability is quite good for getting more life out of what has become an expensive purchase.
I have used 5200 to reglue the sole of a pair of expensive deck shoes. It did the job well in that the part of the sole I glued with 5200 outlasted the rest of the shoe.
👍⛵🌎🎸😎
I have heard oven cleaner on aluminum works. Going to metal
52 million. Because it's on there forever.
5200 for through hulls 100%