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Clear Net Wt. 14 oz. - Flex Seal

Part #: FSCL20

The Flex Seal FSCL20 Clear Liquid Rubber Sealant Coating Spray provides professional technicians and mechanics with a reliable solution for sealing, protecting, and stopping leaks. This innovative aerosol spray applies as a thick liquid, penetrating cracks and holes to form a durable, watertight, and flexible rubberized coating. It's engineered to perform in demanding automotive and industrial environments, ensuring long-lasting repairs and preventative maintenance.

Key Features

  • Watertight, Flexible Seal: Sprays out as a liquid and dries to a clear, robust, rubberized coating that effectively seals out water, air, and moisture.
  • Corrosion and Rust Prevention: Forms a protective barrier that helps guard surfaces against rust and corrosion, extending the lifespan of components.
  • Durable in Extreme Conditions: Remains flexible and pliable, resisting sagging or dripping in summer heat and preventing cracking or peeling in winter cold. It can withstand temperatures from -20°F to 140°F once fully cured.
  • Vibration and Noise Reduction: Contributes to a quieter and more stable operation by stopping vibrations and deadening noise.
  • Versatile Surface Adhesion: Adheres effectively to a wide range of materials, including metal, plastic, PVC, concrete, wood, and glass, making it suitable for diverse applications.
  • Paintable Finish: Once completely dry (full cure in 24-48 hours), the clear coating can be painted to seamlessly blend with the original surface.

Applications

Flex Seal Clear is an indispensable tool for various professional sealing and coating tasks. Its ability to work on both wet and dry surfaces enhances its utility in time-sensitive repair situations.

  • Automotive Maintenance: Ideal for sealing minor leaks in hoses and connections, protecting electrical terminals from moisture intrusion, reinforcing worn rubber seals, and providing clear undercoating for enhanced protection without altering appearance.
  • Industrial Equipment: Use for repairing and sealing HVAC ductwork, waterproofing electrical enclosures, sealing seams on machinery, and applying a protective, transparent layer to tools and components subject to wear.
  • General Purpose Sealing: Effective for gutters, vents, foundations, and various indoor and outdoor projects where a durable, clear, and watertight seal is required.
We have 259 in stock

$14.99

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  • Model: 474071
  • Shipping Weight: 1.26lbs
  • UPC: 00108556470032
  • Manufacturers Part #: FSCL20
  • Manufactured by: Flex Seal
  • Also Known As: FLX-FSCL20

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

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