Sanding down high-build epoxy primer for paint.

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PostPosted: Sun Sep 29, 2024 10:34 am
I am sanding down high-build epoxy primer in prep for base and clear coats. Color will be Tamco’s Ford Nightmist Blue (metallic).
How much of the orange peel do I have take out of the primer for a driver quality finish?

The attached picture is the trunk deck sanded with 180 and 220. I’ll move on to 400 and 600. But am not sure how far I should take down the peel.
Can I move on the finer grits now?

I’ve been using homemade acrylic blocks and durablocks to this point.
Can I use a 3M No.20 Sponge Pad (PN 05526), 5-1/2” x 2-3/4” x 3/8” to get those remaining spots?
And for the 400/600 passes?
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IMG_9674.JPG

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PostPosted: Sun Sep 29, 2024 3:14 pm
Take the time and do it correctly. Otherwise you will be always looking at it.

Use dry guide coat and don't stop with the 180 grit until there are no more low spots.

Then either follow up with the finer grits or apply more HB epoxy.

I thought that I was going to shoot color on my boat project yesterday, but quickly decided that it wasn't ready yet and am adding another coat of HB today. As a weekender hack, this sets me back again but in the long run I will be happier.

20240928_140701.jpg

20240928_140718.jpg
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PostPosted: Sun Sep 29, 2024 5:33 pm
:goodpost: the first sentence!!!
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PostPosted: Sun Sep 29, 2024 5:36 pm
OldFatBald wrote:Take the time and do it correctly. Otherwise you will be always looking at it.



Sure. But I'm already tired of always looking at it in the carport. I want to drive it. LOL

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PostPosted: Sun Sep 29, 2024 9:17 pm
67Drop wrote:Sure. But I'm already tired of always looking at it in the carport. I want to drive it. LOL


Oh, I know the feeling, my boat project was going to be a quick sand and shoot - I thought, starting getting into it and finally faced the fact that I had to strip all the old paint and clear off and sand down to the original fiberglass.

Hopefully next weekend I can get color on the bottom and then get the thing flipped back over, then the real fun starts.

It is taking wayyyyyy longer than I expected, partially my dumb...but also what I call the "zipper effect" but I will know when I'm done that it was done right.l
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PostPosted: Mon Sep 30, 2024 10:13 am
The preparation for paint is where all the work is. When it's finally ready, you will enjoy painting it!

If you start painting before it's properly prepped, problems will show while you are applying your very expensive base coat, and you will wish you prepped it better.
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PostPosted: Mon Sep 30, 2024 12:13 pm
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