Liquid White 1 Gallon - Flex Seal

Part #: US855WHT01-2

Flex Seal Liquid White 1 Gallon (Model US855WHT01-2) provides a durable, professional-grade solution for sealing, coating, and protecting a wide range of surfaces. This advanced liquid rubber formula creates a watertight, flexible barrier engineered for demanding automotive and industrial environments. It's designed to withstand harsh conditions, offering reliable protection and extended component longevity.

Key Features

  • Robust Waterproof Seal: Creates a resilient, watertight seal against moisture, air, and common automotive and industrial fluids, preventing leaks and seepage.
  • Flexible Rubberized Coating: Forms a highly flexible, rubberized layer that resists chipping, cracking, and peeling, even under temperature fluctuations and vibration.
  • Corrosion and Rust Prevention: Effectively shields metal surfaces from rust and corrosion, prolonging the lifespan of critical components and structures.
  • Versatile Application: Designed for easy application via brushing, rolling, or pouring, allowing for comprehensive and even surface coverage.
  • Multi-Surface Adhesion: Adheres strongly to a variety of materials including metal, concrete, wood, plastic, and more, making it suitable for diverse professional applications.

Applications

This versatile sealant and coating is well-suited for numerous professional tasks across automotive and industrial sectors. It can be utilized for automotive undercoating, providing an essential layer of protection for chassis components against road salt, moisture, and debris. It is also effective for sealing minor leaks in non-pressurized systems, such as fluid reservoirs, tubs, or engine bay components, and for repairing damaged seams or minor cracks on vehicle bodies. In industrial settings, Flex Seal Liquid White serves as an excellent protective coating for machinery, sealing cracks in foundations, repairing leaks in roofs, and weatherproofing outdoor equipment to guard against environmental wear and tear. Its bright white finish also aids in visibility and can contribute to heat reflection when applied to appropriate surfaces.

We have 36 in stock

$109.99

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  • Model: 474094
  • Shipping Weight: 11.3lbs
  • UPC: 00208535170065
  • Manufacturers Part #: US855WHT01-2
  • Manufactured by: Flex Seal
  • Also Known As: FLX-US855WHT01-2

This product was added to our catalog on Tuesday 30 June, 2026.

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