Shellac knotting primer

Shellac Knotting Primer is a targeted treatment for sealing knots and resin-rich areas in timber before painting. Formulated with natural shellac, it blocks sap and tannin bleed, preventing staining and ensuring a stable base for subsequent coats.

Fast-drying and easy to apply, it prepares problem areas so the linseed oil paint system can perform cleanly and consistently over time.