Undercoating
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Senior User
Joined: Mar 2004
Posts: 182
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From: Canada
Undercoating
Well, I've decided to undercoat my own truck instead of taking it to a shop. I'm just about to start now, and was wondering if anyone had any advice, tips, problem areas, etc. I think I will just pressure wash the underbody, chip away any rust flakes, then spray with undercoating. Any type of undercoating recommended?? Thanks guys!
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Joined: Mar 2004
Posts: 219
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From: Mableton GA.
I don't know where you live but i would say no to undercoat.If you live in the areas where they use salt in the winter,and the undecoat is applied to a surface that is not perfectly clean where it does not bond the salt can get behind it and you will have major rust problems. You are better off pressure washing it real good and spray painting areas that are exposed to view. If you are in a salt prone areas take advantage of the occasional nice days in the winter and head to the car wash and start with underside and wheel wells first.
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Joined: Oct 2002
Posts: 8,547
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From: MA
Dhepler is correct. I undercoated mine (See my gallery). You definately need to prep the surface good. If you do have rusting, you should consider getting the undercarriage as clean as possible, and painting it with the special paint that stops rust in its tracks (the name eludes me right now). Once that is done, you can then undercoat with a bedliner material. I used Herculiner on mine. It was a mess, and I probably wouldnt do it again...got caught in my hair, dried on my face, etc. One more thing you could do, that is popular up here in the NE, is to have the undercarriage coated with a heavy duty grease/oil. It lasts a whole season, isnt permanent, and is totally water tight.
Rich
Rich
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Joined: Dec 2003
Posts: 404
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From: Groton, CT
POR-15 is the way to go. This is probably what Wheel is referring to as far as stopping rust in its tracks. Order their chassis black kit and follow the instructions. A little pricey, but it pays for itself a thousand times over in the longevity of your undercarriage. If you have any rust at all on your truck, undercoating is a huge mistake. Does not stop it or deter it, just gives it a nice cosey blanket to hide under while it eats your rig. The undercoating will eventually peel off, with large chunks of rusted metal attached to it. Been there, done that, got the t-shirt and the hat.
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