IT’S LIKE THE HOOVER DAM IN A CAN®
FLEX SEAL® Colors are available in 12 different color options, in a 14 oz aerosol can.
Get more value with our new larger 17 oz Flex Seal MAX size.
*Review count based on 5 star amazon.com reviews, collected between October 2011 and January 2022, and 5 star Bazaarvoice reviews from our retail partners, collected between June 2013 and January 2022.
Now get more to seal, patch and repair. The Flex Seal Products MAX Line is here with larger containers of our Flex Seal Products. Got a big job? Well, Flex Seal has some big solutions for you. Get more to do more, for less!
It’s the same great product in a larger size to help tackle larger jobs. Now get Flex Seal Spray in the 17oz MAX size containers. The Flex Seal MAX offers 20% MORE! This is the product that started it all and now you get more of it for less in this new MAX Line size.
Get the incredible Flex Seal Spray MAX Line sold in black, white, and clear and tackle the biggest projects with the ease of Flex Seal Spray.
Dry time depends on the temperature, humidity, and thickness of the coating. Flex Seal will usually 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.