Rust-Oleum 249279-2PK Automotive Filler Primer Spray, 11 oz, Gray

Overview

Upgrade your prep work with the Rust-Oleum Automotive Filler Primer. This hi-build primer is designed to smooth minor surface imperfections and create a solid, paint-ready base. The gray tone helps you judge coverage as you work, so you can plan your topcoat with confidence.

Why choose this primer

Built with Rust-Oleum Stops Rust Technology, this oil-based formula adds a layer of defense against rust and corrosion while improving adhesion for your next coat. It’s formulated to work on multiple materials, including metal, wood, and fiberglass, making it a versatile choice for automotive projects, restorations, or DIY metalwork.

• Hi-build formula fills minor scratches and surface nicks for a smoother, paintable surface
• Stops Rust Technology helps protect substrates while aiding topcoat adhesion
• Touch-dry in about 10 minutes with coverage up to 12 sq ft per can
• Any-angle spray technology allows spraying in any direction, including upside down
• Comfort spray tip with a wider finger pad reduces fatigue during extended spraying sessions

Key benefits at a glance

• Fills flaws to improve overall paint appearance and finish
• Resists rust and corrosion on treated surfaces
• Fast-drying performance supports quicker project turnaround
• Wide spray flexibility helps reach tricky areas and contours
• Compatible with metal, wood, and fiberglass substrates

How to use and what to expect

Shake well before use and apply in light, even coats from a comfortable distance. For best results, follow up with your preferred topcoat once the primer is dry to the touch. While results vary by surface and environment, you can expect a paintable base that supports a smooth final finish. The gray color helps you spot thin spots and ensure uniform coverage as you work.

Safety and performance notes: Use in a well-ventilated area and follow local regulations for spray product use. The formulation is designed to provide good undercoating for multiple materials, with the potential for a durable final appearance when paired with the appropriate topcoat.