~Slideways~ Posted February 14, 2018 Share Posted February 14, 2018 I'm thinking about spraying underseal to the floor and chassis of my Nissan Safari for rust protection and bonus sound deadening. I thought about it when Supercheap had a sale, I was getting some other stuff and saw a few options they had. Didn't buy because it's probably not great. So a couple of things I'd like suggestions on: - A good spray on rust kill, there is surface rust in places. So want to kill this first. - Would i need a coat of something else after the rust kill/prep. - What is the best option for the actually underseal? Quote Link to comment Share on other sites More sharing options...
66gt Posted February 14, 2018 Share Posted February 14, 2018 Depends how much you want to spend. Best option is to sandblast and spray with Resene Durepox. It’s a marine grade epoxy which dries as hard as fuck. Quote Link to comment Share on other sites More sharing options...
~Slideways~ Posted February 14, 2018 Author Share Posted February 14, 2018 12 hours ago, 66gt said: Depends how much you want to spend. Best option is to sandblast and spray with Resene Durepox. It’s a marine grade epoxy which dries as hard as fuck. Just looked it up, I'm not sure about 2K. I'd love to be able to spray it at home. But I'd be doing it at home with tiny humans around. Quote Link to comment Share on other sites More sharing options...
tortron Posted February 14, 2018 Share Posted February 14, 2018 2 minutes ago, ~Slideways~ said: Just looked it up, I'm not sure about 2K. I'd love to be able to spray it at home. But I'd be doing it at home with tiny humans around. you can brush it on, much less volatiles that way. just wear overalls, gloves, get a breeze going, face mask with some carbon filters on it and it will be fine 2 Quote Link to comment Share on other sites More sharing options...
Taistorm Posted February 16, 2018 Share Posted February 16, 2018 Wurth spray on undersea is legit. Would trade again. 2 Quote Link to comment Share on other sites More sharing options...
Unclejake Posted March 2, 2018 Share Posted March 2, 2018 There's also some other products similar to the Wurth canisters (which are indeed awesome). Total Bodyshop in the Hutt stock one that I've used, but I can't remember its name. You'll need a special gun for either though... which I can lend you if you need, but they're only $46 new Quote Link to comment Share on other sites More sharing options...
tomble Posted September 25, 2021 Share Posted September 25, 2021 Reviving this thread because why make a new one? I'm soon to be in a similar boat, and my car will be blasted and primed with durepox as a starting point. Because I'm marginally OCD I'm still really keen on getting a nice rubberised coating under there in addition. But there are so many options. Bitumen vs water based. Is there any meaningful difference there? Different brands - I'm sure some are rubbish. Any stories of success (or failure) with particular products? Rattle can vs those 1L cartridges vs a pot gun. For those of us trying to do this just on jack stands, what's the best approach? Quote Link to comment Share on other sites More sharing options...
tortron Posted September 25, 2021 Share Posted September 25, 2021 dont bother with rattle cans, theres not enough in them and they spray shit upsidedown i have this gun https://panelstore.co.nz/collections/all-paint/products/novol-underseal-gun i use this underbody coating https://panelstore.co.nz/collections/all-paint/products/body-underseal-anti-gravel and i use this for inside doors, chassis rails https://panelstore.co.nz/products/cavity-wax-gravit-640 sub titles on the gun has a long hose that can go on the nozzle for inside stuff 2 Quote Link to comment Share on other sites More sharing options...
NickJ Posted September 25, 2021 Share Posted September 25, 2021 40 minutes ago, tortron said: dont bother with rattle cans, theres not enough in them and they spray shit upsidedown i have this gun https://panelstore.co.nz/collections/all-paint/products/novol-underseal-gun i use this underbody coating https://panelstore.co.nz/collections/all-paint/products/body-underseal-anti-gravel and i use this for inside doors, chassis rails https://panelstore.co.nz/products/cavity-wax-gravit-640 sub titles on the gun has a long hose that can go on the nozzle for inside stuff I've been looking at the same stuff, real world question, how many tins would be needed for an average underbody respray? Quote Link to comment Share on other sites More sharing options...
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