sanding between coats of varnish

Painting options, interior and exterior.

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Jimbob
Posts: 530
Joined: Thu Jul 25, 2013 1:07 pm
Location: Sacramento, CA

sanding between coats of varnish

Postby Jimbob » Mon Jun 11, 2018 8:56 am

Here's something I discovered by trial and error.
"always read and follow label instructions"
My can of varnish says dry sand between coats with 220 grit paper.
I thought I was doing a better job by wet sanding with 220 grit, but found out that I could not see any orange peel or imperfections with the wet sanding. What really worked better for me was to dry sand with my bosch random orbital sander that has good dust collection between coats. I could then see any imperfections and took care of the them with a block sander. The boat is now perfectly smooth and ready for the final coats of varnish.
Jim
Jim Neeley
Building a Barrelback in Sacramento, CA
viewtopic.php?f=15&t=28089#p172969

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BayouBengal
Posts: 1036
Joined: Tue Jul 31, 2007 7:29 am
Location: Baton Rouge, Louisiana

Re: sanding between coats of varnish

Postby BayouBengal » Mon Jun 11, 2018 4:53 pm

When wet sanding, you always want a good squeegee at hand and want to rinse and squeegee often; then you'll easily be able to see the sanding marks even when sanding as fine as 1500 grit.


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