SPI White as a Sealer Question

B

BBCFan

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Short FYI: I have a project I am working on. I am not a tradesman by any stretch of the imagination.

I have my bodywork 99% done. Blocked out twice with a dry guide coat. {Love that stuff}

I would like to use my SPI white epoxy to cover everything once more uniformly, then let it sit a bit, scuff it out with 400 and shoot.

My reasoning is I am not the best at avoiding orange peel even in sealer, so one less risk for me.

I do not care about the time it takes to sand or the cost. Just looking to see if this is a sound foundation for a bc / cc finish?
 
Your plan is acceptable, but if you are going to sand, do two coats and use the finest grit-wet sandpaper you can use.
1000 to 1500, treat it like a basecoat.
 
Thanks for the feedback, it seems like the high grade 1000 - 1500 wouldn't have enough tooth for the basecoat or am I missing something?
 
if i am understanding you right, you are not looking to do a wet on wet application for your sealer/base. you actually want to prime and sand it again with epoxy? if that is right then your plan is fine but sanded or not you had better get base on the epoxy within 48 hrs. if it goes beyond that then you need to spray a sealer coat of epoxy down right before your base. if i was doing this i would just reduce down the epoxy so it sprays really thin. mix it 1:1:1, spray 1 coat, and go right base. no need to spray it heavy or make it cover. if you need to denib the epoxy then let it sit an hour or so and do as barry said and denib with finer grits and go to base right after.
 
Jim C said:
if i am understanding you right, you are not looking to do a wet on wet application for your sealer/base. you actually want to prime and sand it again with epoxy? if that is right then your plan is fine but sanded or not you had better get base on the epoxy within 48 hrs. if it goes beyond that then you need to spray a sealer coat of epoxy down right before your base. if i was doing this i would just reduce down the epoxy so it sprays really thin. mix it 1:1:1, spray 1 coat, and go right base. no need to spray it heavy or make it cover. if you need to denib the epoxy then let it sit an hour or so and do as barry said and denib with finer grits and go to base right after.
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I agree with you Jim, but a lot of times I would do the 1:1:1 epoxy as a sealer, then I would get full coverage with base and then de-nib, and then spray my last coat for appearance, for that I find the Indasa 3000-SF sanding sponges work the best. But that is for Motobase and every base is different. Some don't take to those scuff sponges as well as the Moto Base does. If you do it this way their really is no need to de-nib the epoxy sealer.
 
Chad.S said:
I agree with you Jim, but a lot of times I would do the 1:1:1 epoxy as a sealer, then I would get full coverage with base and then de-nib, and then spray my last coat for appearance, for that I find the Indasa 3000-SF sanding sponges work the best. But that is for Motobase and every base is different. Some don't take to those scuff sponges as well as the Moto Base does. If you do it this way their really is no need to de-nib the epoxy sealer.
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Chad, When you say spary for coverage vs spray for appearance what do you mean? Im a newbie learning and Ill be spraying Motobase LV I got from you this spring.
 
Yeah chad, i do it like that as well. Really depends on the state of the epoxy and the size of the dirt i am getting out. Denibbing the base is usually easier if the epoxy is fresh
 
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