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Dec 10, 2021 21:07:41 GMT
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So from a forum search this has been covered a few times in the past, with varying opinions etc.. My CROWN is nearing the point of paint underneath following a bare metal weldathon. Once its done all areas will have been covered with hydrate 80/etch/epoxy then seam sealed.. however I'm not sure what to apply next. Raptor has up & down reviews, bilthamber epoxy-mastic sounds good, WAR is another on my radar, or open to any other suggestions? I've not decided on a body colour so anything that is black, or can be painted over at a later date is suitable.  |
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Dec 10, 2021 22:01:21 GMT
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I used raptor over the top of epoxy primer.
Couldnt say how good it is since the car still hasnt seen the road but it does seem damn tough.
i would avoid an epoxy mastic for the underside as it tends to set a bit hard and can chip/crack.
if your not bothered for a fancy dry/clean look then some dinitrol undersealer might work well.
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Dec 10, 2021 22:02:40 GMT
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Thanks - I'm aiming for a clean, dry finish, just not completely hung up on it being body colour
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Dec 10, 2021 22:15:30 GMT
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Thanks - I'm aiming for a clean, dry finish, just not completely hung up on it being body colour I have heard good reports on the Gravitex too, so that might be worth considering |
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Dec 10, 2021 22:25:06 GMT
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rustoleum combicolor is good stuff and comes in lots or ral colours
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Dec 11, 2021 14:13:43 GMT
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rustoleum combicolor is good stuff and comes in lots or ral colours I used this on the underside of a transit is welded up for a friend, it works well but did suffer some stone chipping in the first few months. |
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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Dec 13, 2021 15:43:19 GMT
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If you're going to paint over it then gravitex. If your not then raptor. You can tint the raptor to body colour if you want.
Raptor is closer to the 80s rubbery underseal stuff they put on at the factory but I'm not too sure about painting over it. It might be fine might not!
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Dec 17, 2021 14:34:06 GMT
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I've used Bilt Hamber Electrolux Primer, Followed by Bilt Hamber Epoxy Primer, then Gravitex then in some really tough areas such as wheel arches, also applied Bilt Hamber Dynax.
My understanding was that Raptor was a bed liner and although tough wasn't too flexible. I've seen a video where it was tested and a body panel was battered, and the Raptor cracked off in sheets. That said, if it does that on the underside of your car, chances are you have bigger problems to worry about.
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Dec 17, 2021 19:55:21 GMT
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Nothing wrong with good old stonechip/body shutz. It dries nice and is overpaintable and does not chip off. Just make sure not to get the old style oil based one! Tetrosyl works well.
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Dec 17, 2021 19:57:26 GMT
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I found machinemart was the cheapest for the tetrosyl stuff when I did my D40.
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