Flex Seal Rubber Sealant Coating 14 oz. White

Flex Seal Rubber Sealant Spray is the quick, reliable solution for sealing leaks and protecting surfaces with a durable, rubberized coating. This portable aerosol spray applies as a liquid, flows into cracks and crevices, then dries to form a watertight, flexible barrier. Perfect for both indoor and outdoor projects, it stands up to extreme temperatures, resists corrosion, and offers long-lasting protection—no sagging, cracking, or peeling.

Whether you’re repairing gutters, patching roof leaks, insulating pipes, or dampening vibrations, this white 14 oz can delivers an easy-to-use sealant that bonds to wet or dry surfaces. Once fully cured, it can even be painted to match your décor or equipment, making it an ideal choice for homeowners, contractors, and DIY enthusiasts.

Key Features

• Easy-to-use, portable aerosol spray
• Sprays as a liquid and dries into a strong, rubberized coating
• Remains flexible and pliable for years
• Won’t sag or drip in high heat
• Resists cracking or peeling in cold temperatures
• Seals leaks, stops vibrations, and deadens noise
• Protects surfaces from corrosion
• Adheres to wet or dry surfaces
• Paintable after full cure

⚠️ WARNING: This product can expose you to chemicals including Titanium Dioxide, Crystalline Silica, and Benzene, (1-methylethyl)- which are known to the State of California to cause cancer, and Benzene, methyl-, which is known to the State of California to cause birth defects and/or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.