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DUAL MIX SOUND & SEALSPRAYABLE COATING - Sem Products

Part #: 40977-SHORT

The Sem Products DUAL MIX SOUND & SEAL SPRAYABLE COATING, model 40977-SHORT, is a professional-grade, two-component epoxy and urethane blend engineered to restore OEM sound dampening and sealing properties in automotive and industrial applications. This sprayable coating delivers durable protection and flexibility, crucial for maintaining the integrity of vehicle underbodies and structural components.

Key Features

  • Dual-Mix System: The two-component epoxy/urethane blend ensures consistent mixing and optimal performance for every application.
  • OEM Recommended Performance: Designed to replicate the original sealer appearance and performance under rocker panels, in trunks, and on floor sections and frame rails.
  • Durable Flexibility: Formulated to resist shrinking, hardening, and cracking, this coating retains its flexibility to prevent future surface failures.
  • Superior Adhesion: Provides excellent adhesion to properly prepared surfaces, including bare metal, OEM finishes, epoxy primer, and DTM urethane primer.
  • Rapid Topcoat Time: Reduces cycle time by being paintable in as little as 30 minutes, allowing for efficient workflow in busy shops.
  • Sound and Seal Properties: Effectively reduces noise and vibrations while providing long-lasting protection against moisture and wear.

Applications

This versatile sprayable coating is ideal for a range of professional applications, including:

  • Automotive undercarriages and frame rails
  • Rocker panels and inner wheel openings
  • Trunk floors and floor pan sections
  • Sealing interior and exterior seams and joints
  • Restoration projects requiring OEM appearance and protection
  • Industrial applications where sound dampening and sealing are critical.
Only 4 left in stock - order soon

$88.18

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
Add to Cart:

This product was added to our catalog on Friday 31 July, 2026.

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