Answer
Jul 29, 2021 - 03:42 AM
We consulted with AFM Safecoat. Wood knots can be exceedingly tough as they may continue to release tannis long after the wood is harvested. To be safe, AFM Safecoat suggests Zinsser product SealCoat Waxless Shellac, which you can buy from a box store, and then topcoat with their primer and paints.
