Blaster Automotive Undercoating Black Series 1 Gal — Lanolin-Based Rust Protection, Flexible 2-Year Corrosion Barrier

Blaster Surface Shield Black is a lanolin‑based professional undercoating that forms a durable, black corrosion barrier to protect metal parts and vehicle underbodies for up to two years.

Designed for automotive technicians, fleet managers, and DIY enthusiasts, this Black Series formula hides blemishes while delivering long‑lasting moisture‑wicking protection. Its thinner consistency lets you spray or pour with less effort, and the tinted finish gives treated areas a clean, uniform appearance. The product offers resistance to high‑pressure washing and stays flexible to prevent cracking, peeling, or flaking.

How does Blaster Surface Shield Black protect metal surfaces?

The formula combines a lanolin base with rust‑inhibiting agents that repel moisture and form a resilient coating over bare or previously painted metal. It creates a wet, tacky film that adheres to seams and edges to slow corrosion processes and extend service life.

• Moisture‑wicking action for up to two years of protection under normal conditions
• Forms a continuous black film that seals small crevices and welds
• Flexible finish resists cracking and flaking under vibration

How do I apply the product for best results?

Surface preparation and proper application determine performance. Clean the metal of dirt, oil, and loose rust, then spray or pour an even coat; allow tack time and recoat in high‑stress areas for added coverage.

• Remove loose rust and contaminants before application
• Apply with a spray gun, brush, or pour from the pail for hard‑to‑reach areas
• Recoat seams, wheel wells, and exposed underbody sections for robust coverage

Will this product hold up to washing and road use?

Yes—Blaster designed this Black Series to withstand routine high‑pressure washing and everyday road exposure. The film remains adherent and flexible so it resists damage from splashes, gravel, and salt when applied correctly and allowed to cure.

• Resistant to high‑pressure cleaning once fully set
• Flexible finish tolerates thermal and mechanical stress
• Black color helps conceal existing rust and surface imperfections

What safety and compatibility notes should I know?

The lanolin‑based formula is formulated for use on metal surfaces and moving parts; avoid applying near hot engines or running components. Work in a well‑ventilated area and follow standard safety precautions for coatings and solvents.

• Safe for most metals and commonly used vehicle components when used as directed
• Not intended for hot surfaces or directly on brake components while in service
• Use appropriate personal protective equipment and ventilation

Who is this for? Blaster Surface Shield Black is aimed at professionals and serious DIYers who want an easy‑to‑apply, long‑lasting undercoating that both protects metal from corrosion and improves the visual finish of repaired or aged parts. It’s well suited for automotive underbodies, frames, trailers, agricultural equipment, and any metal surface where durable moisture resistance and a discreet black appearance are desired.