Between paint sanding

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txjm
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Between paint sanding

Post by txjm » Tue Jul 31, 2018 10:00 am

I have some areas that are difficult to sand without taking the edges off. I am rolling and tipping expoxy over system 3 primer. When I sand, I take the high spots off a textured area of the boat. Can I use steel wool between coats? I purposely put a smooth texture on. Everything seems to be working fine except trying to keep coverage on the tops of the texture. I am hoping steel wool would give me enough scratch but not take much paint off. Maybe 400g over a soft sponge?
Chip



terrulian
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Re: Between paint sanding

Post by terrulian » Tue Jul 31, 2018 11:49 am

Photos? Not sure I am clear on the issue. What are the "edges?" What does the "textured area of the boat" refer to? Kiwi Grip or something like it?
Tony
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txjm
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Re: Between paint sanding

Post by txjm » Tue Jul 31, 2018 12:39 pm

The edges are like the corners of the rubrail etc. anywhere that seem to get sanded more than others. Big flat surfaces aren’t an issue.
The texture is kinda of a mix of silica and epoxy I used to texture. It worked a lot like the awlgrip does if you don’t wait very long to roll with the loopy roller. Sanding tends to catch all the high spots that I really needs some paint on.
Chip

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Re: Between paint sanding

Post by terrulian » Tue Jul 31, 2018 12:48 pm

Yah, still a little confused between "texture" and "smooth texture" but anyway I don't see any problem at all with steel wool although you need to vacuum and then carefully clean. If the texture is rough this will be hard with a tack cloth so one possibility is to spray with water and let run off and then dry or use pressure air.
As for the edges, can you tape them off? This doesn't always work perfectly because the abrasive may cut through the tape, but together with a bit of care can definitely help.
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txjm
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Re: Between paint sanding

Post by txjm » Tue Jul 31, 2018 12:54 pm

Steel wool may work. I was concerned that it will affect how the next layer adheres. This is not rough enough that I can’t wipe the dust off. Just visually bumpy.

txjm
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Re: Between paint sanding

Post by txjm » Tue Jul 31, 2018 1:28 pm

added a photo
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texture.jpg

terrulian
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Re: Between paint sanding

Post by terrulian » Tue Jul 31, 2018 2:32 pm

If this is the texture you're trying to keep, steel wool will work fine. You really don't need much sanding, just enough to create tooth for the next coat.
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Re: Between paint sanding

Post by txjm » Tue Jul 31, 2018 3:09 pm

Thanks. That is what I’m after.
Chip

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Re: Between paint sanding

Post by tcason » Wed Aug 01, 2018 8:47 am

I might suggest a 3M abrasive pad over steel wool very similar "tooth" but less mess


https://smile.amazon.com/3M-10144-Betwe ... rasive+pad

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