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White Net Wt. 14 oz. - Flex Seal

Part #: FSWHTR20

The Flex Seal FSWHTR20 White Net Wt. 14 oz. is a professional-grade, rubberized sealant spray designed for rapid and effective sealing in demanding automotive and industrial environments. This versatile coating penetrates cracks and holes, forming a durable, watertight, and flexible barrier that stops leaks and protects surfaces against a range of harsh conditions.

Key Features

  • Durable Rubberized Seal: Sprays out as a liquid and dries to a strong, watertight, rubberized coating that effectively seals cracks and holes.
  • Extreme Temperature Resistance: Remains flexible and pliable, preventing sagging or dripping in high heat and resisting cracking or peeling in winter cold, ensuring long-lasting performance.
  • Versatile Surface Adhesion: Formulated to bond effectively to both wet and dry surfaces, providing reliable application in various conditions.
  • Corrosion and Vibration Protection: Shields surfaces from corrosion, stops vibrations, and deadens noise, enhancing the longevity and integrity of components.
  • Paintable Finish: Once completely dry and cured, the white coating can be painted any color to seamlessly match the surrounding area or equipment.
  • Easy Aerosol Application: The portable aerosol spray format ensures straightforward and efficient application for professional technicians.

Applications

This Flex Seal product is ideal for a wide array of automotive and industrial applications. Professional technicians can utilize it for quickly sealing leaks in vehicle bodies, RVs, motorhomes, and boats, as well as repairing gutters, vents, and skylights on industrial buildings. It is highly effective for foundation and concrete waterproofing, protecting metal components from rust and corrosion, and insulating pipes. Its strong adhesion to materials such as wood, metal, tile, concrete, masonry, fabric, glass, plastic, and aluminum makes it a valuable tool for comprehensive sealing and protective tasks.

Specifications

  • Manufacturer: Flex Seal
  • Model Number: FSWHTR20
  • Product Name: White Net Wt. 14 oz.
  • Color: White
  • Net Content: 14 oz.
  • Curing Time: 24 to 48 hours
We have 226 in stock

$14.99

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  • Model: 474076
  • Shipping Weight: 1.26lbs
  • UPC: 00108556470036
  • Manufacturers Part #: FSWHTR20
  • Manufactured by: Flex Seal
  • Also Known As: FLX-FSWHTR20

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

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