Discover Ultralaq White Pre‑Cat Undercoat, a high‑performance pre‑catalyzed undercoat formulated to deliver a flawless base for any automotive paint system. This 5‑gallon white primer provides a uniform, sand‑ready surface that enhances color vibrancy and ensures long‑lasting durability. Engineered with advanced resin technology, it offers rapid drying and excellent adhesion on metal, plastic, and composite panels.
Why choose this pre‑cat undercoat? It creates a protective barrier that resists rust and corrosion, while its smooth texture reduces sanding time and labor costs. The bright white tint helps you spot imperfections early, guaranteeing a professional finish every time.
Key Features & Benefits:
- Pre‑catalyzed formula: Accelerates curing for faster project turnaround and superior film hardness.
- 5‑gallon capacity: Ideal for body shops and DIY enthusiasts needing ample coverage without frequent refills.
- White base coat: Enhances final paint color accuracy and highlights surface defects before topcoat application.
- Corrosion protection: Advanced inhibitors guard against rust, extending the lifespan of your vehicle’s exterior.
- Easy sandability: Fine‑grain finish minimizes effort during prep work, delivering a silky smooth substrate.
Elevate your paint projects with confidence. Ultralaq White Pre‑Cat Undercoat combines professional‑grade performance with user‑friendly application, making it the go‑to choice for flawless automotive refinishing. Trust this premium undercoat to protect, prepare, and perfect every panel, ensuring your final paint job looks showroom‑ready.








