undercoating

R

RideThePony2004

Well-Known Member
#1
#1
I want to undercoat the whole car from front to back...what do you guys recommend against rust that lasts?

I wanted to do por 15 then some duplicor undercoat (like the bedliner stuff)
 
onlycodered

onlycodered

Well-Known Member
#2
#2
Whatever you do just make sure whatever you're spraying is very dry, otherwise you'll be sealing in moisture which could cause rust to form which you won't see until it's too late.
 
AdirondackFox08

AdirondackFox08

Member Plus
#5
#5
POR 15 is some good stuff, I didn't have enough time last year to put two coats of it on my truck and it still held very well. A few places need to be touched up but all in all it was the best stuff I have seen to combat the salt.
 
AdirondackFox08

AdirondackFox08

Member Plus
#8
#8
I picked up a quart for the truck and I did quite a bit of coating underneath and still had some left. Since your car is newer and the underneath is probably clean, you will need a special coating to adhere the por 15 to the body, it holds a lot better to rust. I can't remember what it's called but if you go to a place that sells that stuff they should be able to lead you in the right direction. I haven't heard anything about Dupli Colors' truck bed liner so I have no idea how it is.
 
1990_LX

1990_LX

Clubhouse Moderator
#9
#9
That truck bed liner loves to pick up and hold dirt and is a bitch to get it to even look clean and black again. I like POR15 since you can brush it or spray it. If you're only doing the underside then you won't have to top coat it, just do two coats of the paint it self and you should be golden. The only time it must be top coated is when it's exposed to light.
 
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