Eastwood Internal Frame Coating Plus — 16oz Aerosol, Rust Prevention | Classic Car Chassis

Stop Rust Where You Can’t See It. The Eastwood Internal Frame Coating Plus is the ultimate professional-grade solution for preserving the structural integrity of your vehicle. Unlike standard sprays, this high-performance moisture-cured urethane is specifically engineered to penetrate deep under heavy rust, encapsulating oxidation and preventing it from spreading.

Designed for boxed frames, rocker panels, and hidden tubular chassis components, it provides over 1,000 hours of salt spray protection. The advanced formula is heat resistant up to 350°F, making it ideal for areas near engine bays or exhaust routing. Whether you are performing a full frame-off restoration or preventative maintenance on a daily driver, this aerosol provides an airtight, durable barrier that bonds to both bare metal and rusted surfaces.

Key Features:

• Deep Penetration: Advanced formula flows into crevices to seal heavy rust.

• Superior Durability: Offers industry-leading salt spray and corrosion resistance.

• High-Heat Tolerance: Withstands temperatures up to 350°F.

• Easy Application: Includes a specialized extension nozzle for 360-degree coverage inside tight spaces.

• UV Versatility: No topcoat required unless exposed to direct sunlight.