VHT Spray Undercoating
Spray Undercoating
  • Wheel Wells
  • Lawn Mowers
  • 4-Wheel Drive Vehicles
  • Chassis
  • Farm Equipment
  • Classic Automobiles
  • Boat Trailers
  • Horse Trailers
  • Automotive Underbody
  • Tractors
  • Motor Homes


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VHT SPRAY UNDERCOATING is specially formulated to protect automotive underbodies from extreme weather and road conditions. This special blend of asphalt based materials effectively helps insulate the car's interior in all types of climatic conditions as well as sound. VHT SPRAY UNDERCOATING is a one-coat process. A single coat applies sufficient film thickness to resist rust, corrosion, moisture, salt and abrasion. Efficiently reduces road and tire noise as well. VHT SPRAY UNDERCOATING is extremely flexible and adheres to metal, fiberglass, ABS, polypropylene, and most other automotive plastic surfaces.
SP-315 Spray Undercoating Black

How To Apply:

Sand, sandblast or wire brush rusted areas making sure the surface is clean and free of grease, rust, dirt and other oils and dirt. Rinse with a quality cleaner that leaves no residue such as VHT's Brake Cleaner (product #SP-11). Allow to dry before applying coating. Shake can for one minute after marble is heard. Apply at room temperature, holding can 12-16 inches from surface. Apply coating in a cross- hatch pattern. Allow 1-2 hours to dry.


  • Sets Fast
  • Resists Salt & Moisture
  • Resists Rust & Corrosion
  • Resists Peeling and Chipping
  • Superior Film Thickness
  • Dramatically Reduces Road Noise
  • Strong Adhesion
  • One-Coat Easy Application.
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