Zinsser BIN Primer

* High adhesion shellac-based primer* Blocks stubborn stains and odours* Seals porous surfaces and knots* No sanding needed on glossy surfaces Zinsser BIN Primer is your go-to for tackling tough stains and odours. Its shellac formula grips to glossy surfaces without sanding, seals knots and sap streaks, and blocks everything from water marks to nicotine. Ideal for interior walls, ceilings, doors and spot-priming exterior trims.