WURTH: Cavity Protection Spray - Transparent

Backland’s go-to solution for rust protection!

Keep exposed metal components protected with Würth Cavity Protection Spray. This transparent, corrosion-resistant wax provides long-lasting defense against moisture, dirt, and rust—perfect for those hard-to-reach areas like door sills, pillars, and fenders. With its fast-drying formula and strong adhesion, it delivers durable protection even in the toughest conditions.

The convenient aerosol format makes application simple and precise—no airline system required.

Key Features

Powerful Rust Protection: Penetrates existing rust and prevents further corrosion.

Moisture Repellent: Displaces dampness and water for long-lasting protection.

Versatile Application: Ideal for door pillars, sills, inside door skins, headlight recesses, fenders, trunk decks, and underbody areas.

Universal Use: Suitable for both internal and external metal surfaces, as well as patch-up and repair work.

Excellent Performance: Extreme creep characteristics ensure thorough coverage and strong adhesion to metal.

Safe on Materials: Will not attack rubber or plastic components.

Paint Compatible: Can be used with top coat paints.

Convenient Aerosol Format: No compressor or airline system needed.

Application Instructions

• Shake can well before use.
• Optimum application temperature: +20°C.
• Spray evenly onto clean surfaces, ensuring full coverage of cavities and seams.
• Allow wax to penetrate for maximum protection.

Important Notes

• Designed for professional use in automotive and repair applications.
• Compatible with most paints and coatings, but preliminary testing is recommended before full application.