Master Brand 20000 Latex Primer Sealer White 5 Gallon

Product Description

The MASTER BRAND 20000 is a fast-drying, water-based, multi-surface primer, sealer, and stain blocker formulated for both interior and exterior use. Sold in a 5-gallon container and weighing 58 pounds, this product delivers excellent adhesion, mildew resistance, and low odor, making it a practical choice for professional painters and contractors working across a wide range of substrates. It blocks medium stains including minor water stains, rust, grease, ink, pencil, and felt marker. Enhanced hiding power helps reduce the number of topcoat layers required, improving job efficiency on color-change projects.

This primer is suited for residential and commercial applications on interior and exterior surfaces. It performs on woodwork, drywall, plaster, paneling, masonry, brick, painted metal, and properly prepared glossy surfaces. It can be applied under or over water-based or oil-based paints, giving contractors flexibility across varied project conditions. It is not recommended for use on flooring surfaces.

Key Features

• Blocks medium stains including water stains, rust, grease, ink, pencil, and felt marker
• Fast-drying, water-based formula with very mild odor
• Excellent adhesion to a wide range of interior and exterior surfaces
• Built-in mildew resistance for long-term surface protection
• Enhanced hiding power reduces topcoat applications on color-change work
• Compatible with both water-based and oil-based finish paints

Compatibility

Designed for use on woodwork, drywall, plaster, paneling, masonry, brick, painted metal, and properly prepared glossy surfaces in interior and exterior applications. Not recommended on flooring.

Installation Notes

Surface preparation is critical before application — clean surfaces of loose material, grease, and contaminants for proper adhesion. Apply using a brush, roller, or spray equipment appropriate for water-based coatings. Allow full dry time before applying topcoat; refer to product label for recoat windows based on temperature and humidity conditions. Keep out of reach of children and ensure adequate ventilation during application in enclosed spaces.

Technical Specifications

• Weight: 58 pounds
• Container Size: 5 gallons
• Formula Type: Water-based latex
• Color: White
• Application: Interior and exterior
• UPC: 00051652200003

Standard Information

• Brand: MASTER BRAND
• Manufacturer Part Number: 20000