SEM Products SEM.40977 Dual-Mix Sound Seal Sprayable Coating Undercoating - 7 oz

SEM Dual-Mix Sound & Seal Sprayable Coating is a professional-grade, sprayable epoxy and urethane blend designed for replacing OEM coatings under rocker panels, in trunks, and on floor sections and frame rails. This advanced coating reduces noise and vibration while maintaining permanent flexibility without shrinking, hardening, or cracking.

Key Features:

• DUAL-MIX Forever Warranty for long-term performance assurance
• OEM recommended for professional collision repair and restoration work
• Excellent adhesion to properly prepped surfaces including bare metal, OEM finish, epoxy primer, and DTM urethane primer
• Retains flexibility to prevent cracking from vehicle movement and vibration
• Paintable in just 30 minutes for faster project completion
• Comes in a convenient 7 oz. cartridge for use with manual or pneumatic applicators

This two-component coating provides professional results for underbody protection, sound dampening, and sealing applications. The dark gray finish matches typical OEM underbody coatings and provides a durable, long-lasting protective barrier against moisture, road debris, and corrosion.