What Temperature Should I Apply Flex Seal?
A: Flex Seal Liquid is best applied to surface temperatures from 32°F to 120°F. Once fully cured, Flex Seal Liquid can withstand temperatures from -80°F to 350°F.

Can you apply Flex Seal when its cold?

If cold air or water does begin to enter your home, Flex Seal, Flex Tape, and Flex Shot are all great products made to STOP LEAKS FAST and can be used on wet surfaces.

How Long Does Flex Seal take to dry in cold weather?

A: 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.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

Share this article
Twitter Facebook Pinterest