First time spraying spi epoxy

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Marfmar

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Completed my first coats of spi epoxy and in normal Novis fashion got some craters from to thick on the first coat but nothing some 180 grit and elbow grease can’t fix
 
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Lot of value in a practice panel for us newbies. A scrap hood or fender is perfect. Scuff it, tape off a few sections and try different settings and techniques. Make notes.
 
I find it doesn’t lay down too well unless you use some reducer.
 

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Rossterman said:
I find it doesn’t lay down too well unless you use some reducer.
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Once you learn how to spray it, it will lay down very nice. There is a learning curve to it, and this doesn't take into account your air supply, gun, etc. Reducer will help, but it also weakens it to an extent and is not ideal when you are coating bare metal or fiberglass. You don't get the full benefit of it reduced. Ideally you only should reduce it when using it for a sealer.
 
I could lay it down wet but it wouldn’t flow out without some reducer. I’m new to all this but it did improve after that. I did put down two heavy coats 35min apart so hopefully there’s enough there to sand.
 
Only thing that bothers me is you said it wouldn't flow reducer is okay if needed.
But tell us about the gun and tip size and adjuments as well as air pressure so we can dial you in.
No interal strainers in gun.
 
clubairth said:
Hey that's a nice clean shop too!
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If you are referring to me that’s floor film from a previous build. I pull it up and replace just before final paint for each build. But ya, looks bad at this stage of a build… :). At that point it has survived many coats of primer and even bedliner.

Don
 
Oh sorry no I meant the original poster.
Yours looks good and I can tell there is a LOT of work going on in your shop!
I have considered that as well as booth spray coatings to help with the clean up.
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PJL Auto said:
The usability of this product is the worst by far of any epoxy I've used in the past 20 years.
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Everyone is entitled to their opinion.
You'll find many here who will respectfully disagree, and use it with tremendous results.
And, you'll find that many here are willing to help with tips to use the product, if you are interested.
 
PJL Auto said:
1-induction time of 30 minutes, 2-epoxy/catalyst never fully mix ( you always get mottling or separation pockets on some areas, 3-you're suppose to wait 30 minutes in between coats.
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Induction time is optional. Personally mixing the night before, or right before I do final prep Isn't an issue for me.

I use Dekups (however you spell it) and good swirls and shakes of the gun in my hand prior to spraying seems to keep it mixed. Although I do stir before pouring into the dekups always.

1/2 hour between coats is a hardship?
 
Rossterman said:
I could lay it down wet but it wouldn’t flow out without some reducer. I’m new to all this but it did improve after that. I did put down two heavy coats 35min apart so hopefully there’s enough there to sand.
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Barry was going to help you out, but you didn't mention the gun you use. Set up and especially adjustments are very important for good results.
 
For epoxy I’m using a cheap throwaway tcp with 1.4, 26psi airpressure, full open fluid a d 1/2 turn in on the fan. I know this is a cheap gun so maybe asking too much. My base/clear gun os an awata w400.
 
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