Maury S Posted April 22, 2016 Share #1 Posted April 22, 2016 There is an article in the latest issue of Popular Woodworking Magazine (June, 2016 #225) on wood (sanding) sealers. While it probably does not broadly apply to us modelers, there are comments on the advisability of thinning, water based, poly, etc. Some comments excerpted...Water-based sanding sealer-- no need for it. Sealers for lacquer and alkyd varnish weaken the finish. No sealer needed for polyurethane varnish. No reason to thin the first coat (this does not apply to thinning paints to get better color at scale!). They do admit that thinning provides better bonding, but lack of bonding probably applies to boats in wet environments and that problem arises from moisture getting under the finish. I have no opinion on any of these conclusions...above my pay grade. Maury Canute and mtaylor 2 Quote Link to comment Share on other sites More sharing options...
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