How to fix a rust hole without welding with expanding foam | Rostloch mit Bauschaum reparieren
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- Опубликовано: 8 окт 2024
- In this video i show you how to remove a big rust hole cheap and easily without welding. I use expanding foam to fill out this big hole.
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In diesem Video geht es darum ein riesiges Rostloch günstig zu reparieren ohne zu schweißen. Dazu habe ich handelsüblichen Montageschaum verwendet. 
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Alot of smart ass in the comment, i think they own a body repair shop and don't want people to watch the video cause they lose customer, if people have money to get expensive body repair done they will do it. But if you don't have budget for this will work, so don't be negative about the video.
Not to be rude but doesn't water build up because of the foam? This causes more rust over time?
Try to jack the car up where the "repair" was made.
GOOD JOB. There is one thing to know : to be definitively efficient against rust, you should put grease everywhere. grease is the only thing very efficient against rust. put grease between metal and carpet, inside door, behind metallic bumper, under the vehicle, behind the repairs you can make (everywhere inside the hole you have repaired and body - hidden erea - instead of using paint), hollow areas (necessarily hidden, so no need to be aesthetic). For rear wings unreachable with a paintbrush, use an extender and poor old oil everywhere each year. rust always comes from the inside and welds. Handyman Experience - 35 years. From france
Wow, thank you for this. For someone starting with this kind of thing. Exactly WHAT KIND OF GREASE should one use??? Appreciate it if you could let me know. Thank you! Merci!
@@One1Critic any kind, fat matter. do not spend a lot of money for that. In france we can find tube of standart grease (25 cm long and 4 cm diameter) in super market for 5-10$.
Great job that’s what I’m doing now restoring a 1991 Mazda between the foam and welding it’s coming out cheaper and faster hopefully this year the project is complete again great job .
In highschool I would go and wet sand cars that an old man would put together for used car lots. They would come from salted road states , and would be naked around the bottoms. He bought more screen wire than any window shop around. I've seen him put doors together that the bottom hinges were rotted out with window screen , chicken wire coat hangers, anything that would make the shape. He had heeps turned out by the dozens. He had a process of painting them that looked as if the paint was a couple of years old when finished. Unless you really looked at them from underneath, they just looked like Grandma ' s used car. Any time these jolopies got into the slightest fender bender the whole bottom of the car would fall off. The wrecker drivers would tell stories about having to bring out a pickup truck , just to pick up the body filler , news paper , screen wire outa the road.
Will this be ok to do on a Rolls Royce Silver Cloud?
Patient and brilliant 👏
I was thinking of doing this, but this video has made me see sense. Thanks for deterring me🖒🖒🖒🖒
😮
Genius. Good work!
I would never do this but if it is temp fix to get u through the winter might be ok in the short term I didn't see any other holes the pinch weld was still there and the inner rocker also good job to at least to put the mesh there so the body filler has something to stick to should have tried to use some chip guard B4 the foam might have helped to fill in the pit holes in the foam maybe it would hold the moisture out better?
You should had fiberglassed after the foam then putty then primer then paint.
Why?😅
@@Nels0n1 Fiberglass is stronger.
Hey mario, how long hold it?
Nice job going be doing my truck soon thanks
It’s been two years, did it stop the rust? wanna try it on my 08 civic.
I’d like to know this too. This guy really put the work. Is saw a video where they just filled the holes with foam and painted it over to pass inspection on a work beater. A year an a half later it was still good. And that was just foam and paint with minimal prep.
Ready for Carmax. 🎉😂
Smart idea using foam in rocker panels. Now you have a car and a boat. Why didn't I think of this??
I put the metal patch in place before spraying the foam in behind it.
i sprayed foam just before it sets while still tacky put the messh onto it pushing in to make enough room for fiberglass filler. then sand with grinder then go over with normal filla to form the shap /contour rest of sill ,THEN start sanding perfecting contour then prime sand prime sand till your sick to fucking death of it then maybe some putty and paint .doing it your way dosnt leave enouth room for plenty of fiber glass which its going to need .I ONLY use foam just to hold the fiberglass in place not to achieve anything else .
Du bist ja geil. Ich weiß das sowas in den Staaten üblich ist aber hier.... ;-)
Ist das so stabil das sogar der TÜV nix sagt? Ich merke es mir auf jeden Fall. Nice Job
Habe versucht die Steifigkeit durch das Gitter zu maximieren und habe auf jeden Fall Glasfaserspachtel benutzt. Der ist einfach nur mega stabil. Beim tüv müsste es keine Probleme geben, denke ich zumindest xD
@@mariofast5537 ach den meisten TÜV Prüfern dürfte das egal sein. Da ist kein Loch und es sieht gscheid aus. Denen kann also erstmal keiner an den Karren pissen und das ist am Ende was zählt
Great job 👏thanks for sharing 👍
I tried this once before and the foam seemed to hold moisture and then it began to rot even faster 😮
Not me.
I read somewhere you hav to use close cell foam, and should put rust converter on the back aswell
Just hope you don’t have a crash, looks nice but bloody dangerous.
there is nothing structural about the front quarter panel, the body of the car is bolted to the frame and sub frame, its for looks the real structural part of the car is the frame.
Very nice from pakistan
Mechanic: “Looks like you need a new rocker panel”
Owner: “Best I can do is a sculpture of a rocker panel”
Jokes aside, this is wrong on so many levels. I have unfucked several vehicles which these types of “repairs” have been performed on and they will only end up causing more problems/damage over time.
ok boomer
@@cheruboo I’m 30 lol
@@derpsmcgee6720 I honestly don't know how calling someone a boomer is even an insult.
@@megaruhe6296 I’m also unsure how my critique could/would be associated with a “boomer attitude”... doesn’t make any sense
@@derpsmcgee6720 30 is a boomer
When your broke as a joke.Too cheap to buy smokes. And, your debit card doeasnt have enough on it to even pay attention. This is the fix for you. 👍😎👍💡😁
Hält es noch?
Ja sicher :)
this isn't bad
Nice.
dude i see this on rocker panels all the time why not buy a 38 dollar aluminums plate shape it to fit a traced template and use two part epoxy and self tappng screws to put it in place? adds corrosion proof thickness to panels the epoxy glues and seals paint with bed liner done forever....fender is nearly indestructable....thinner aluminums is easy to bend and break and shape easy peasy
Aluminum reacts with steel causing the steel to oxidize
Why would you not use a 20ga sheet of steel? Do you really need one "indestructible" scrap of metal leftover once the rest of the beater has rusted to flakes?
@@Chronic898 the key s in how it is applied the sheets are shaped and folded to encapsulate the fenders, Like a taco then put in place. obviously they gap then i mix by hand 2 cups of table top epoxy about 6 ounces each...pour one down the front side and one down the back side then then immediately sheet metal screw them in to place as the gaps close the excess epoxy runs out. The epoxy seals a layer of protection front side and back side. let the sealant set 24 hours sand and paint with bedliner paint...the epoxy puts a layer of protection between the steel and the aluminum the fender is strengthened and all rust no matter how minor is closed off from air and water the fender is 3 times the thickness...I have never had a rocker panel re-rust and i keep the encapsulation to the flater angles toward the road excess bedliner paint is applied to the backside of the body panels and then fluid film is applied after that dries...cars and trucks are no longer an investment we can take lightly my targeted milel age is about 300k...then like all good consumers it is sold for reasonable prices ...to restore or repair for teenager who will likely lose it to accident...
@@MyLevelheaded OK I understand, you know what your doing. Sorry if my comment came off rude, I should not have assumed anything. You have definitely thought this through.
I do still however believe steel is the better choice. Simply because I've seen how a steel frame trailer can rot out the aluminum siding on the exterior. Even the screws eventually rust. This is not from moisture as much as it is from the two metals reacting. Even though they are painted and insulated from each other, the vibrations from driving will wear through in certain areas and after that it doesn't matter if there is zero moisture.
I am like minded. I have the bumper off my 2015 Sierra and I am completely sanding and re painting it. Metal bumper, full of rock chips. I call it winter preparation.
I guess if I was fixing a sedan, I would be concerned more about structural integrity when repairing rockers.
I do however think your method could create further potential for rust from the inside out, if not done with care. You must be very careful to not allow a place for moist to sit on top of or between the epoxy and steel. Should be no way for this to happen, but nothing is ever perfect.
What is your experience with the method you put forward?
Could have used aerogel
And again, a perfect example why downvotes should exist. These parts have a structural load to carry and your foam... yeah you got it already. Just repair things the right way.
Exactly, why keep track of up votes when everybody get one… just another example of the “everybody gets a trophy” culture and then you get a disastrous video that misguides people and it can only get up votes! 👎🏼👎🏼👎🏼👎🏼👎🏼
Yeah what a great job, I think he is going to do both footwells and the bulkhead the same way 🤣
Not true, only the outer body panel rusted. It doesn't have any structural load to itself
@@Niaaal Yes, that's right. If he was trying to fill in a strut tower, or subframe mount then that's a problem. Rocker panels are just part of the exterior of the car and are mostly hollow inside.
@M.N. 🤔coming from a guy who watches Ronald McDonlad videos clown 🤡
My hole is much smaller than your hole. I am considering just shaping the foam with a knife and painting the foam.
know this probably has good intentions and for only personal use but in the wrong hands makes me super sad as someone who's been scammed buying cars hope anyone doing this in plans of flipping a rust bucket don't hide this from the buyer..
Why aren't all cars made with foam? It doesn't rust.
Strength that is why.
A quality job indeed, who needs structural rigidity when you can use foam? Why dont you just duck tape a piece of cardboard over the rust and spray that?? Use some old newspapers stuffed behind it for support 🤔
😂
Not everyone have a welding machine lying around and have a budget to spend on body repairs. If this is what you can afford to do what stops us from doing this. Trying to be smartass.
Why do you approach others and their work in this way?
The “proper way” failed, that’s why he’s doing it in the first place. So why not try something new? 🤔
It isnt a structural member there skippy. nice try at being an internet tough guy though.
For sale 😮 2,900
Absolutely terrible.
Put on the used car lot for few grand more LMAO
Foam is like a sponge for water
If you sprayed ATF under the truck you would not have this problem.
bad job
That is plain rubbish.
"How Not To Repair A Rust Hole On Your Vehicle". Your prep work wasn't all that bad, until you sprayed expanding foam into the cavity and you guaranteed the failure of the repair. The sponge you've created inside the panel will hold moisture and contaminants and destroy the remaining metal around the repair. It's a year and a half later now, so you already know that.
It's sad that people do repairs like this and then sell a vehicle to an unsuspecting buyer who has to deal with an un-roadworthy vehicle, less than a year later. Can you not remove a video like this from RUclips to prevent the grief that you may cause to people that took your advise?
Wow you are a treat.
@@Nels0n1 It's a great thing, when knowledgeable and skilled people share their talents on RUclips to help other people to accomplish tasks.
It's quite another thing, when people with poor or dangerous solutions are broadcasting their damaging practices to others. If your teaching someone how to test a light bulb socket, by sticking your finger in the socket, then I'll be speaking with your manager. lol
Lol😂😂😂 all the body shop dudes mad.
YEA, THATS STRUCTURALLY SOUND....MORONIC WAY TO DO THINGS...
Why do you approach others and their work this way?
You don’t have a clue what is structural or not on that car 😂
Should be called how to rig your car
WTF
Next time just duct tape it put cpl holes in tape & foam it. Wow lmao
NO, NO, NO, NO, NO! - Do not do this! It's a recipe for disaster. Have you not heard of Alfasuds in the 70s? This will simply absorb moisture and rot the car from inside. You should take this video down before someone tries this.
Nobody should ever do this to there vehicle. The foam is going to retain moisture and create more rust problems.
That is not true for closed cell spray foam, which is the majority of the shit people buy in a can at the typical hardware store.