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Best Undercoating Systems?

Opinions on best products for undercoating and sound insulation

Best Undercoating Systems?

Postby WingNut [OP] » Jan 29 2011, 4:25am

Anyone have good or bad experiences with undercoating products? I'm planning on lining the rear wheel wells and bed underside with a Duplicolor product when I return home in June. I looked through the Exterior and How To forums and found no topics so I opened this one.

Would like to hear about:
Good products
Bad products
Techniques
Things to avoid
Other things to do "while you're at it"
Marine because.

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Re: BEST UNDERCOATING SYSTEMS?

Postby LBZDMAX » Jan 29 2011, 6:06am

Used 3m myself under the truck everywhere. Makes your frame look better for sure. Just be sure to wear gloves, that stuff gets all over you.

FYI I did no prep work at all. Waited till truck was dry after a carwash and went nuts sprayin everything you could see standing from a distance. Looks much better IMO.
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Re: Best Undercoating Systems?

Postby WingNut [OP] » Jan 29 2011, 6:42pm

So does the 3M system use a spray gun or come in spray cans? I was researching the Lizzard Skin system and they require a spray gun as well; costs about $80 a gallon. What was the cost of the 3M system?
Marine because.

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Re: Best Undercoating Systems?

Postby aksierra11 » Jan 29 2011, 7:08pm

Hmm interested in this as well. Can you post a link to the stuff you used LBZ?
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Re: Best Undercoating Systems?

Postby fastshelly » Jan 29 2011, 7:23pm

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Re: Best Undercoating Systems?

Postby aksierra11 » Jan 29 2011, 7:29pm

Ok.. I used the cheap Napa brand stuff once to sound dead the inside of an older vehicle for my sound system. Took forever to dry and get the smell out but once it set that stuff was amazing.

So just mask off the body and go nuts underneath? Anything you want to avoid spraying it on?
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Re: Best Undercoating Systems?

Postby Z15 » Jan 29 2011, 8:35pm

AMSOIL has a product that works very well and comes in a 16-oz spray (1-lb) can. It has a yellow waxy film. Check it out.....very reasonably priced

Image MP Heavy Duty Metal Protector (AMH)
For Pricing Info

AMSOIL MPHD is the product of choice for metal surfaces that require a heavy duty lubricant or are exposed to the damaging effects of salt, moisture or chemical corrosion. It is ideal for hinges, wire ropes and springs, nuts and bolts, motorcycle or bicycle chains, and for undercoating wheelwells and other metal surfaces exposed to water, dirt or road salt.

Performance Features

* Protects against rust & corrosion, even in salt water
* Displaces water
* Stops squeaks
* Lubricates metal surfaces
* Leaves a dry, long-lasting, waxlike film
* Lubricant does not attract dust
* Does not sling off
* Sprays into hard-to-reach places
* Ideal for chains & other heavy-use items

RECOMMENDATIONS
Spray product on area to be treated. For best results, do not wipe off. Film carrier will evaporate, leaving MPHD on treated surface.
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Re: Best Undercoating Systems?

Postby LBZDMAX » Jan 30 2011, 4:11am

No way, AMSOIL has a product for this!? Lol, I'm just messin with you Z15.

3m comes in cans and sprays right on boys. I didn't tape shit off but my truck ain't brand new like yours AK and I wanted everything black under there. Just cover up anything you don't want sprayed and go nuts.

I've had good luck with the 3m. I used cheap shit on one of my trucks and it didn't last long at all.
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Re: Best Undercoating Systems?

Postby WingNut [OP] » Jan 30 2011, 4:44am

So it sounds like you may need to cover up your own self as well whan using 3M or AMSOIL?
Marine because.

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Re: Best Undercoating Systems?

Postby gmctruckguy » Jan 30 2011, 4:58am

If you want it to last make sure you do the prep work. Had my truck undercoated at the dealership and the guy did not scuff anything so when I went to the car wash it peeled it off in the wheel wells, took it back and had them redo it.
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