Zinsser B-I-N Primer Sealer Aerosol, 5 L

The Zinsser B‑I‑N Primer Sealer Aerosol is a high-performance, fast‑drying solvent‑based primer, ideal for sealing and preparing a variety of surfaces. Its superior adhesion and stain‑blocking properties create an excellent base for topcoats of paint, varnish or wallpaper. This versatile product is designed for both interior and exterior use on surfaces such as wood, plaster, brick and metal.

Overview

This advanced formula combines a powerful shellac base with high‑solids content for maximum sealing power. It dries to a hard, smooth finish in just 45 minutes, allowing for recoating or topcoating in under two hours. The aerosol format provides convenient, controlled application without the need for brushes or rollers, making it perfect for detailed work, touch‑ups and hard‑to‑reach areas. Its strong sealing action effectively blocks persistent stains including water, smoke, nicotine, felt‑tip pen and graffiti, preventing them from bleeding through the final finish.

Key Features

• Fast‑drying formula, touch‑dry in 15 minutes
• Exceptional adhesion to glossy, hard‑to‑coat surfaces
• Powerful stain‑blocking shellac‑based formula
• Suitable for interior and exterior application
• Can be used under oil‑based or water‑based paints
• Convenient aerosol spray application

Applications

• Priming and sealing new or previously painted wood
• Preparing plaster, drywall and masonry prior to painting
• Blocking stubborn stains on walls and ceilings
• Sealing porous surfaces to improve paint adhesion and reduce topcoat absorption
• Creating a uniform base on mixed‑material surfaces