• Start with a clean dry surface, free of oil, grease and dirt. • Stir can well, do not shake. • BRUSH, ROLL, DIP or POUR directly onto surface. • Coat entire surface until all cracks or holes are completely filled. • Always cover open containers during and after use. • Allow each coat to completely dry before applying additional coats. • Dry time depends on temperature and humidity. • Allow 24-48 hours for product to fully cure if product is brushed, rolled or dipped. If product is poured, dry time may be significantly longer depending on thickness.
A: Many customers have found new and inventive ways of using Flex Seal Liquid in applications similar to this.
For oil tanks intended for home use, we recommend using extreme caution when using Flex Seal Liquid around flammable substances. Make sure the area is very well ventilated, making use of fans if applying Flex Seal Liquid indoors.
You should not use Flex Seal Liquid where the oil tank is pressurized (including cars or trucks.)
A: FLEX SEAL® LIQUID will not crack, peel, fade or yellow. Depending on environmental and application, additional coats may be needed.
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: Many people have had great success using FLEX SEAL® LIQUID to seal out water for basement walls.
A: FLEX SEAL® LIQUID is ready to use and should be used right out of the can. Do not dilute Flex Seal Liquid with solvents or water.
A: The maximum pressure FLEX SEAL® LIQUID can withstand will vary based on the substrate and the conditions under which FLEX SEAL® LIQUID is applied. It’s always best to test a small area first.
A: Yes, once fully cured, FLEX SEAL® LIQUID is safe on rain barrels.
A: Yes, FLEX SEAL® LIQUID stretches, stays flexible, expands and contracts.
A: 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 lid, use immediately and always replace the lid after each use. If skinning occurs remove the top layer and use product.
A: 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 lid, use immediately and always replace the lid after each use. If skinning occurs remove the top layer and use product.
A: FLEX SEAL® LIQUID can be used on most surfaces and the applications are endless.
Excellent For: Concrete, glass, brick, stucco, masonry, wood, copper, plastic, tile, fabrics, wires, vinyl, fiberglass, ceramic, porcelain, metal, aluminum, and natural stones, foam, asphalt, EIFS, TPO, PVC, EPDM, CSPE, Hypalon polyurethanes and so much more!
A: Large 16oz can, Jumbo 32oz can, Giant gallon.
A: Black, White, Clear and Gray.
A: FLEX SEAL® LIQUID cures faster in hot summer months and slower in cold winter months. Depending on thickness of application, temperature and humidity, FLEX SEAL® LIQUID will dry to the touch in 6 to 12 hours and fully cure in 24 to 48 hours. If the treated area is wet or very soft, it will need more time to cure.
A: Stir can well and wear protective clothing. Make sure the surface is clean, dry and free of grease, oil and dirt. For better adhesion, you can etch the surface with sand paper or steel wool. Make sure all cracks and holes have been completely filled and FLEX SEAL® LIQUID is completely dry before testing product. Always cover open containers during and after use.
BRUSH & ROLL
Brush or roll FLEX SEAL® LIQUID using an even sweeping motion. Apply several even coats until the surface has been completely covered and ALL cracks and holes have been filled. Allow FLEX SEAL® LIQUID to dry 24 to 48 hours and apply additional coats as needed. Always brush or roll over a larger area than just where the leak occurred.
Dip object directly into FLEX SEAL® LIQUID making a slight swirling motion. Once you feel surface has been coated, remove and let any excess drip back into the can. Hang or clip the object in the same vertical position as it came out of the can and let dry. Once FLEX SEAL® LIQUID is fully cured you will have a super strong, no slip, rubberized coating on the surface.
Pour FLEX SEAL® LIQUID directly on the surface allowing gravity to take FLEX SEAL® LIQUID into cracks, holes and hard to reach areas. Continue to pour until the surface has been covered and all cracks and holes have been completely filled.
Flex Seal Liquid reacts with the air to cure. Once containers are exposed to the air a skin will form on the material over time. The skin will be less in winter months but can form within minutes in hot and humid summer conditions. Cured skin that has formed on the top of the material must be removed or it may make the material lumpy.
A: Coverage will vary depending on number of coats used and what type of substrate you are applying FLEX SEAL® LIQUID to;
1 Large 16oz – up to 20Sq. Ft.,
1 Jumbo 32oz – up to 40Sq. Ft.,
1 Giant Gallon – up to 150Sq. Ft.