A: It’s always best to apply FLEX SEAL® LIQUID on a clean, dry surface free of grease and oil. If applied during a heavy rain some of the FLEX SEAL® LIQUID may wash away. Therefore, it best to apply 24 hours prior to a heavy rain, hail or snowfall.
A: It’s always best to apply FLEX SEAL® LIQUID on a clean, dry surface free of grease and oil. If applied during a heavy rain some of the FLEX SEAL® LIQUID may wash away. Therefore, it best to apply 24 hours prior to a heavy rain, hail or snowfall.