Sealing over Minwax water based stain

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Forum topic by JIGGA12 posted 05-02-2021 05:01 AM 544 views 0 times favorited 3 replies Add to Favorites Watch
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21 posts in 1740 days

05-02-2021 05:01 AM

Topic tags/keywords: sealer stain american flag

I have a sealer question. I am making American flags like many others and using Minwax water based stain. I don’t have a hvlp sprayer so I am stuck between spray can or brushing on a sealer. Since I use the 1/8” thick baltic birch stars on the Union instead of carving the stars into the Union, I am curious your opinion on what to use to seal the whole flag. Brushing on polycrilic is a bit rough because it wants to puddle around the stars when the brush hits them. Then the tedious task of sanding between coats of brush on poly because of having to get in the corners of 50 (1.25”) stars is not fun. Would you recommend a spray can laquer and doing 2-3 coats and not having to sand or another spray can sealant like spar urethane. Not a big fan of the Minwax poly spray cans. Want a good shine and seal but the raised stars make things a bit tough time wise.

-- How much wood could a Woodchuck chuck if a Woodchuck had power tools?

3 replies so far

View LesB's profile


3503 posts in 4935 days

#1 posted 05-02-2021 03:31 PM

It the water based stain did not raise the grain of the wood then I would expect that any sprayed on top coat would work fine. Go light with each coat.

My first thought was to seal the water based stain with a coat or two of clear shellac like Zinssers seal coat. Then apply a top coat. that still might be a good idea.

-- Les B, Oregon

View SMP's profile


5383 posts in 1397 days

#2 posted 05-02-2021 03:41 PM

I personally am
Not a fan of the minwax spray either. I have had better luck even with the varathane or deft spray cans .

View bilyo's profile


1563 posts in 2594 days

#3 posted 05-02-2021 03:45 PM

Zinsser’s spray can shellac is de-waxed and works well. The quality of the spray pattern leaves a bit to be desired, but if you keep it light and don’t get too close, it should work well. If the water based stain raises the grain, spray it with the shellac and then do a very light sanding with 220-320 grit will smooth it nicely. Then you can brush or spray most any finish coats you like.

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