First Time Undercoating - JeepForum.com
 
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post #1 of 8 Old 11-04-2019, 05:52 PM Thread Starter
skippertech
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First Time Undercoating

Hey Everyone,

So I just recently got a brand new Jeep, and am beginning to prep for winter. Obviously it is brand new so the underbody is very clean, and the goal is to protect the frame as much as possible.

The plan is to undercoat it with Fluid Film...I've read a good bit about it and that seems like the way to go. Does anyone have advice/ or advice on going about doing this? Anything in particular I should know?

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post #2 of 8 Old 11-05-2019, 08:26 AM
Ross
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Quote:
Originally Posted by skippertech View Post
Hey Everyone,

So I just recently got a brand new Jeep, and am beginning to prep for winter. Obviously it is brand new so the underbody is very clean, and the goal is to protect the frame as much as possible.

The plan is to undercoat it with Fluid Film...I've read a good bit about it and that seems like the way to go. Does anyone have advice/ or advice on going about doing this? Anything in particular I should know?
What ever you do keep up with it. I just use spray paint and I get underneath my jeep and old truck and clean really well at least twice a year and repaint about everything. I use what ever paint I have handy. There have been times the undersides look like the Partridge Family bus. I usually keep a few Rustolium cans of black around but sometimes I run out. Other than actually doing a good jog clearing on a regular basis the next most important is using a sprayer that can spray at all angles.

You will be surprised at how many places there are that mud and grime will get into that just power washing won't get clean. Through the year I do clean and paint but to a lessor extent than my bi annual scrub fest.

01TJ33sWarn,ARBs F&R,bellyup,4.0,4.56s,5spd
99 XJ33sWinch,Electric locker up front,4.56s,4.0Auto
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post #3 of 8 Old 11-08-2019, 09:14 PM
rjbruzan
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X2 on the fluid film. Check out You tube for some good info.

Ron

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It smells good but thats about it

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post #4 of 8 Old 11-09-2019, 12:15 AM
Ralph77
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I am really happy with Fluid Film.
Do you own a compressor?
If so can it run this?

https://www.kellsportproducts.com/Fl...-Gun_p_16.html

Gallons are cheaper then spray cans IMO.
Plus those wands are pretty cool. I use the one that sprays in a 360 degree pattern and do inside my uni-body in my '00 XJ.
I power wash underneath and let her dry good.
Then I go to town. I use about a 1/2 gallon at a whack.
IMO Fluid Film is not a less is more thing.
Every once in awhile during the winter I run my Jeep through the $5 automatic wash bay at the car wash.
I do not pay the extra $1 for the undercarriage. Fluid Film will eventually wash off.
So Fluid Film will stink for about a week.
Also when you first start up the Jeep it will smoke like all hell. Burning off the engine, exhaust, and whatnot.
Every piece of crap on the road will stick to it.
If you have to go underneath to work on something after the Fluid Film is applied it is messy as hell. LOL.
Come April I power wash again. You will never get every last bit of Fluid Film off.
I think there are nooks and crannies tucked way up underneath that still have Fluid Film on them from the first time I applied it 5 years ago. MLOL.
You will not be sorry you did this.
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post #5 of 8 Old 11-30-2019, 03:09 PM
Letzride
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have you considered wire wheeling your frame, coating it with a rubberized coating and then after all that oiling it?

1999 TJ 4" Lift - 33's

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post #6 of 8 Old 11-30-2019, 08:08 PM
MikeyDeezy
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Quote:
Originally Posted by Letzride View Post
have you considered wire wheeling your frame, coating it with a rubberized coating and then after all that oiling it?


From what Iíve seen, Rubberized Coating is a bad idea. Correct me if Iím wrong.




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post #7 of 8 Old 12-01-2019, 06:56 AM
gutthans
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Two products to use:

For general all-around exterior coating spray/re-spray Fluid Film.
For permanent hidden areas (where you have to disassemble or go through little holes) use Eastwood Amber and the 360* wand.

Everyone has their favorites I would guess, but I have had NO rusting inside the windshield frame, side doors, roll bar, and other spots I prepped with the Amber. Some of those parts are going on 25 years old...and get wet all of the time. The Amber IS a solvent base and aggressive, so taping off paint is a must, and it will take a few days to dry so it helps to 'roll' the parts.
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post #8 of 8 Old 12-01-2019, 10:06 AM
Letzride
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That truck looks like a disaster as does the application of the rubber. I can see a couple of good pointers with that video - rubber will lock in and lock out moisture. Meaning, if you don't do a good job of cleaning your surface rust to begin with and just spray rubber coating over it, it won't prevent it from rusting. The rubber in this case would be no different than applying paint over your rusted area and thinking that because it "looks" new you must be protected.

When I did mine I wire wheeled the frame to get all the loose crud out. Then I sprayed the entire frame with a rust inhibitor. The rust inhibitor locks up any current rust and stops it from spreading. Then I wiped down the frame again to remove any contaminants and sprayed it with the rubber asphalt undercoating. Like I said, mine looked much cleaner than anything in that video and held up for 5 years now.

But I would agree that if you just sprayed it with rubber and did nothing else, or just sprayed it with rubber after wire wheeling the frame it would be a bad idea. Prep is the biggest thing that makes a difference whether you are painting or tackling rust. A poor prep job in the beginning will ruin the whole process.

Last point so as not to beat a dead horse. Think about a maaco paint job vs a high quality one. If you based your opinion off of getting your car painted off of seeing maaco quality that flakes off after 2 years due to poor prep, you would have a bad sense of getting anything painted.

I also would never keep caking the stuff on like that...that thing looked like it drove through a tar pit...

1999 TJ 4" Lift - 33's

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