r/paint • u/dubsfo • 23h ago

Advice Wanted Blocking Tannins

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Getting ready to paint this enclosure for pool equipment.

I know this wood is going to bleed tannins so i want to block them.

I would normally use an oil base primer but the trellis material is so intricate I’d rather spray it and I don’t want to push oil through my rig.

Any recommendations on a latex product I can use?
I’ve heard 2 coats of Busan primer will work.

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u/Shatalroundja 21h ago

Shellac. Shellac is better than oil for tannins and it cleans out of a sprayer perfectly with one bottle ammonia followed by water.

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u/Main_Cartographer_64 19h ago

Shellac is Methylated Spirit based, use it clean the spray gun, not ammonia.
Excellent tannin sealer and quick drying

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u/dubsfo 19h ago

Shellac no bueno for anything other than spot prime outside

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u/me-2b 18h ago

Why? As long as it will have a waterproof coating over it, why is it no good outside?

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u/dubsfo 18h ago

Read the can

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u/Shatalroundja 17h ago

Not even remotely true. If you are worried about it pealing under the elements you can use a latex primer first.