Permatex 81833 Heavy Duty Rubberized Undercoating, 16oz

Product Name: Permatex 81833 Heavy Duty Rubberized Undercoating
Packing / Size: 16oz aerosol can

Description & Features

Permatex 81833 Heavy Duty Rubberized Undercoating is a premium, fast-drying, rubberized protective coating designed for maximum durability. It seals, protects, and insulates vehicle underbodies while reducing road noise and vibrations. This excellent professional blend all-purpose coating is body shop proven and ideal for both home or shop use.

Level: 3 – Automobile

Key Features:

• Rubberized for maximum durability, flexibility, and long-lasting protection.
• Seals, protects, and insulates against moisture, road salt, and corrosion.
• Sound deadening — reduces road noise and vibration.
• Professional-grade all-purpose coating for vehicles and general sealing applications.
• Fast-drying formula, resistant to cracking, peeling, or sagging.
• Ideal for automotive frames, rocker panels, wheel wells, and underbody components.

Suggested Applications / Apply On

• Automobile: Frames, rocker panels, wheel wells, chassis, fenders, and hoods
• Other Uses: Sealing gutters, roofs, drain systems, minor home repairs, tree pruning protection
• Sound Deadening: Underbody, panels, and machinery applications

Directions for Use

1. Shake the can thoroughly before use.
2. Ensure the surface is clean, dry, and free of rust, grease, or dirt.
3. Apply a uniform coat, holding the can 10–12 inches from the surface.
4. Use multiple thin coats, allowing 15–20 minutes between coats for best results.
5. Let the coating dry for 24 hours before exposure to moisture or road conditions.
6. Avoid spraying near hot exhaust parts or catalytic converters.