GL Super Build 4:1 Polyurethane Primer is a premium high-build automotive primer designed to deliver superior adhesion, excellent filling power, and outstanding corrosion resistance. Formulated with a 4:1 mix ratio, this polyurethane primer provides a smooth, durable base for paint applications on metal, fiberglass, and properly prepared surfaces. It is ideal for filling minor imperfections and sanding easily to a flawless finish.
This fast-drying primer promotes excellent topcoat adhesion and provides long-lasting protection against rust and environmental damage. Perfect for collision repair and refinishing shops, GL Super Build ensures a high-quality, professional finish with enhanced durability and ease of use.