Now all the strength of the original FLEX SEAL® is available in powerful, portable Minis!
Flex Seal Mini is actually liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. Available in three colours: black, white, or clear.
*Review count based on 5-star amazon.com reviews, collected between May 2020 and May 2021.
Dry time depends on the temperature, humidity, and thickness of the coating. Fsually dry to the touch within 2 to 3 hours and fully cure in 24 hours. It will get stronger over time.
Depending on the number of coats and thickness, one MAX can will cover up to 15 sq. ft., one 14 oz. can will cover up to 12 sq. ft. and one MINI 2 oz. can will cover up to 2 sq. ft.
Flex Seal will withstand normal hydrostatic water pressure such as rainwater, but it is not made to withstand extreme pressure.
Flex Seal can be applied on a wet surface, or moist environment in the event of an emergency. However, it will always adhere better to a clean, dry surface. To ensure its longevity, we recommend you reapply Flex Seal once the area is completely dry.
Depending on the environment, coats added, and maintenance, many people have found Flex Seal will last for years without cracking, peeling or losing any of its strength or sealing properties.
Yes, you can spray the Flex Seal directly into a bowl and paint it, brush it or roll it o any area. However, we recommend using Flex Seal Liquid for these type of applications.
No, we do not recommend that you use Flex Seal on surfaces where it comes in direct contact with drinking water.
No, Flex Seal is not made to withstand extreme heat or pressure.
No, Flex Seal should not be used to seal a gasoline tank, oil tank or any other flammable material.
No, it is not affiliated with GAF and is not intended for use by Professional Roofers.
In order to give Flex Seal Clear its amazing transparency, we had to make some adjustments to our formula. Therefore, the spray will be slightly thinner and multiple coats may be required to get the job done.
No, we do not recommend the use of Flex Seal Spray on vinyl.