What is Flex Seal Liquid?
Flex Seal Liquid is thick rubberized liquid that you can brush, roll, dip or pour to form a durable, watertight flexible barrier. It seals out air, water, and moisture, and is chemical and UV resistant.
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Flex Seal Liquid
In What Temperatures Can I Apply Flex Seal Liquid?
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 I Apply It on a Wet Surface or When it’s Raining?
It’s always best to apply Flex Seal Liquid on a clean, dry surface free of grease and oil. If applied during heavy rain, some of the product may wash away. Therefore, we recommend applying it 24 hours prior to any heavy rain, hail, or snowfall (if po
Will it Expand and Contract in the Summer and Winter?
Yes, Flex Seal Liquid stretches, stays flexible, expands, and contracts.
How Much Pressure Will It Withstand?
The maximum pressure Flex Seal Liquid can withstand will vary based on the surface and the conditions under which it is applied. It’s always best to test a small area first.
Can I Dilute It?
Flex Seal Liquid is ready to use and should be used right out of the can. Do not dilute it with solvents or water.
Can I Paint Over It?
Once fully cured, Flex Seal Liquid cannot be painted over with most traditional paints.
Can I Use It on Underfoot Applications?
No, we do not recommend using Flex Seal Liquid on underfoot applications.
Is Flex Seal Food Grade/Food Safe?
Flex Seal Liquid has not been approved for use around foods.
Can I Use It on the Inside of My Rainwater Barrel?
Yes, Flex Seal Liquid is safe on rain barrels (once fully cured).
Can I Use It to Repair a Gasoline Tank?
We do not recommend using Flex Seal Liquid to seal a gasoline tank or any other flammable liquids.
How Do I Clean It Up?
You can clean up excess or spilled product with a dry cloth or paper towel and mineral spirits (BEFORE the liquid begins to cure). DO NOT USE water.
What is the Recommended Storage Temperature for Flex Seal Liquid?
Store Flex Seal Liquid in temperatures from 60°F to 100°F.
What Is the Shelf Life of Flex Seal Liquid?
Flex Seal Liquid has a shelf life of 24 months when properly stored. If the can remains open for an extended period of time a skin may form on the surface. In order to avoid skinning over, remove the lid, use immediately and always replace the lid af
How Much Will One Can of It Cover?
Coverage will vary depending on the number of coats used and what type of surface you are applying Flex Seal Liquid onto. However, our available sizes typically cover the following area:. 1 Large 16oz – up to 18.75 sq. ft.,. 1 Jumbo 32oz – up to 37.5
In What Sizes and Colors Can I Get Flex Seal Liquid?
Flex Seal Liquid comes in Black, White, Clear, and Gray. Liquid sizes are 16 oz (pint), 32 oz (quart), 128 oz (gallon), and 2.5 Gallon MAX bucket.