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Old 05-25-2013, 08:53 AM   #1
lucifer
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undercoat ideas

Just finished blasting all the crap off underneath my 65. Wanting to know everyones ideas/thoughts on undercoating/rustproofing/paint???

Keep in mind I want the benefits of sound deadening as well. Thanks in advance.
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Old 05-25-2013, 09:18 AM   #2
Sharps40
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Re: undercoat ideas

For a frame off job...POR 15 products/coatings under...sound & Heat deadener matting in cab and doors.
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Old 05-25-2013, 09:24 AM   #3
Trsmotrhed
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Re: undercoat ideas

I'm planning on using lizard skin coating. There's a few builds on here using this product and looks great and will do what you're looking for. They also offer a ceramic heat resistant coating. Check it out.

http://www.lizardskin.com/sound-control-insulation.html
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Old 05-25-2013, 12:06 PM   #4
FetchMeAPepsi
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Re: undercoat ideas

I planned on putting bedliner on all of my undersides after shooting it with DP90. Anything that can get hit with a rock is getting bedliner on it.

Disclaimer: I'm no pro and this is just info I've gotten from other builds.
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Old 05-25-2013, 01:57 PM   #5
mark 66
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Re: undercoat ideas

Ive used this stuff called stutz or something. its like a bed liner and is applied with their gun.sprays out nice.then I used dynamat on the inside.
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Old 05-25-2013, 02:09 PM   #6
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Re: undercoat ideas

I like epoxy primer. Good protection in shaded applications. Easy to repair.

I hate removing bed liner and thick under coat.
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Old 05-25-2013, 07:43 PM   #7
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Re: undercoat ideas

Rhino lining for me.
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Old 05-25-2013, 08:22 PM   #8
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Re: undercoat ideas

From my experience U-Pol Raptor bedliner obsoletes everything else. It is comparitively inexpensive, easy to apply, and extremely durable.

http://67-72chevytrucks.com/vboard/s...d.php?t=581389
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Old 05-25-2013, 10:29 PM   #9
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Re: undercoat ideas

x2 on the lizard skin. I plan on using both the lizard skin ceramic coating and sound deadening.
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Old 05-26-2013, 09:38 AM   #10
vin63
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Re: undercoat ideas

I used the 3M Body Schutz this time around on the underside of my cab and inner fenders. It's the third time I've used it (previous two times were customer requests on the backsides of various panels I fabricated), and it is really easy to work with and use.

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Old 05-26-2013, 12:34 PM   #11
Trsmotrhed
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Re: undercoat ideas

Quote:
Originally Posted by Rufton View Post
I like epoxy primer. Good protection in shaded applications. Easy to repair.

I hate removing bed liner and thick under coat.
How does epoxy primer provide sound protection? Just asking because I wouldn't think it would provide sound protection like one of the coatings mentioned here unless you apply a product like dynamat over it.
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Sold the 63 and have a 68 now.
63 SWB C10
LT1/4L60E, PS, PB, Disk Brakes, CPP 4" drop coil rear, 2.5" drop spindle w/ 1" drop coil. slotted rotors, front and rear sway bars. 18"x8" Cragar SS w/ 245/45R18
http://67-72chevytrucks.com/vboard/s...d.php?t=544174
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Old 05-26-2013, 01:11 PM   #12
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Re: undercoat ideas

Epoxy first, then add undercoating/sound deadener. I like Lizzard Skin. You can also mix up a batch of cavity wax and spray around all the seams and inner channels for extra rust protection.
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Old 05-26-2013, 02:34 PM   #13
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Re: undercoat ideas

I am using SEM rust shield on my 66 k10.
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Old 05-26-2013, 03:24 PM   #14
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Re: undercoat ideas

Quote:
Originally Posted by Trsmotrhed View Post
How does epoxy primer provide sound protection? Just asking because I wouldn't think it would provide sound protection like one of the coatings mentioned here unless you apply a product like dynamat over it.
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Your right, no sound protection.
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Old 05-26-2013, 07:13 PM   #15
65chevysub
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Re: undercoat ideas

Definately bedliner. I had a friend who used to own one of these shops, and had him do the underside of my hood, and the gas tank on my old 65 Chevy II. He used the "leftovers" from different jobs, called "slag". It all comes out black so it should work for your truck(s), and it was cheap.
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