Debating whether Krown or RustCheck is better? Fellow Canadians what do you use for rustproofing? Time to spray the Maxima before the cold stuff arrives. Suggestions and comments welcomed.

Rubber rustproofing? You mean undercoating?quote:
Originally posted by The_Oz:
You might want to look at rubber rustproofing, which I'm doing to my car right before winter hits.
Regards,
Oz
Patman, what other independent sources are you referring to that shows Krown is a more superior product? I know Rust Check is ok but not the best.quote:
Originally posted by Patman:
My personal belief is that Krown is better. I've had a few cars done there and saw some tests that they had (written by other sources) which showed them being superior. Not only that, but I've seen more than a few rusted cars that have the Rust Check sticker on them! I have yet to see a Krown car with any rust on it. I don't need to worry though, most of my car is plastic.![]()
Oz, one time application sounds like a basic rubber undercoating. They did not list what they use to spray your undercarriage. I would definitely give them a call and ask them what they use as the liquid.quote:
Originally posted by The_Oz:
http://www.ultracar.com/rustproof/flyer.html
Let me know what you guys think.
Thanks,
Oz
I have used both Rust Check and Krown in aersol cans. It works alright for touch ups, but it doesn't treat an entire car very well. When you pay to have the rust proofing applied, they use long wands that extend far into body panels. Plus, their systems shoot a high pressure spray that seeps into joints and crevices far better than you can do with a spray can.quote:
Originally posted by 4DSC:
Has anyone ever tried to DIY on some areas of the car with those aerosol cans of Rust Check or similar products?
I know treatments like Krown or Waxoyl can drip, but Rust Check now makes an interesting GEL product and I'm tempted to try it in some areas....
I agree with you, I'd rather spend my money on car washes, as I think keeping the car clean in winter does a lot to keep rust away. If the salt is only on the car for one day before being washed away it doesn't have enough time to attack. Plus if your car is parked outside a lot too, the extreme cold prevents the salt from being able to do it's thing, since you need heat and moisture in order for rust to form.quote:
Originally posted by BadBatsuMaru:
Maybe I was being a little harsh. This might be necessary in Canada, and I'm sure some of you guys know more than I do about it. It just seems a little crazy to me.
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I strongly disagree. Clearly, you have never seen a vehicle that has had a quality rust proofing system like Krown or Rust Check. This stuff works wonders in preventing rust.quote:
Originally posted by BadBatsuMaru:
I can't believe how many of you guys are advocating 3rd party rust-proofing. First off, cars all come with factory rust-proofing to some degree, and 3rd party rust-proofing will always void your warranty. Sure, the warranty isn't a concern if you have an old car, but I still can't believe anybody thinking this is a good idea.
I can maybe understand an under-body coating if you live in a heavily salted area, but drilling holes in your car and filling it up with goo is a bad idea, and I've never known anybody to say otherwise. I've seen many rust treated cars that are badly rusted, and the first place to rust is always the holes that were drilled to apply the rust-proofing! Just wash the salt off your car regularly and repair any rust spots complmetely when they do show up.
Even if rust-proofing did work consistantly, I'd still be more comfortable keeping my car clean and fixing rust on a case-by-case basis than carring around 25 lbs. of goo in the body panels and hoping for it to magically make my car last forever.
In the US, Ziebart is the biggest rust-proofer, and so many people know it's a ripoff that they've had to turn into more of a detailing shop to stay in business.
quote:
A heavy duty spray lubricant fortified with special rust and corrosion inhibitors. Penetrates and adheres to metal surfaces, leaving a long lasting protective coating. Apply MPHD to any metal surface that requires a heavy duty lubricant or is exposed to the damaging effects of salt, moisture or chemical corrosion. Works as an undercoat, leaving a wax-like film. Recommended for motorcycle chains. Won't "sling" off. Dry to the touch. Doesn't attract dust. It is ideal for hinges, wire ropes and springs, nuts and bolts, motorcycle or bicycle chains, and for undercoating car doors, wheel wells, rocker panels, seams and other metal surfaces exposed to water, dirt or road salt