AL Painting Wall Covering Practice Questions - Alabama Painting And Wall Covering Contractor Examination Exam

How should resinous knots in new softwood trim be treated before priming for paint?

Coat them with linseed oil only Seal them with shellac-based knotting or a stain-blocking sealer Sand with 40-grit only and leave unsealed Cover them with silicone caulk

Correct Answer:

Seal them with shellac-based knotting or a stain-blocking sealer

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