Sherwin Williams Automotive Finishes RBA101 Rust Barrier Coating Gloss Black 11 oz Aerosol

This professional-grade rust preventative coating is designed to provide superior protection for bare metal and rusted surfaces. The high-solids formula applies directly over existing rust or bare metal without the need for extensive surface preparation, making it an ideal solution for underbody and chassis protection.

Key Features:

• Applies directly to rusted or bare metal surfaces without heavy prep work
• Encapsulates existing corrosion to prevent further oxidation
• Creates a flexible, rubberized finish that resists abrasion and impact damage
• Professional-grade coating seals out moisture and prevents future rust formation
• Can be topcoated with additional paint for UV protection in exposed areas
• Easy application via aerosol spray for even coverage
• Isocyanate-free formulation for safer application
• Coverage area: approximately 17-20 square feet per can
• Cure time: 24 hours for full hardness, 1 hour handling time

This rust barrier coating is perfect for automotive restoration projects, underbody protection, frame repairs, and any metal surface requiring long-lasting rust prevention. The durable rubberized finish creates a moisture and oxidation barrier that extends the life of metal components.