Flex Glue works on: Metals, wood, foam, rubber, tile, ceramic, marble, porcelain, glass, granite, brick, concrete, stucco, plaster, stone, masonry, drywall, sheetrock, fibreglass, some plastics & vinyl's, composites, PVC, EPS, EPDM roofs and more.

And it holds on tight flex glue acts like a magnet even this heavy brick is gonna stick. And our pro formula has even more instant grab. So you can tackle the biggest jobs.

A: 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 before any heavy rain, hail or snowfall (if possible).

Flex Glue is an easy to use, super strong, waterproof adhesive that instantly bonds, seals, and repairs virtually everything.

This Flex Glue is more like silicone, except it is VERY thick when applied and less flexible when dried (and much more expensive). It is absolutely NOT for "most types of materials" – it has a range but very limited.

A: Store Flex Paste in temperatures from 60°F to 100°F. Q: How long does Flex Paste last? A: With proper application, care and maintenance, Flex Paste will last for years.

This Flex Glue is more like silicone, except it is VERY thick when applied and less flexible when dried (and much more expensive). It is absolutely NOT for "most types of materials" – it has a range but very limited.

Since Flex Glue can be applied underwater and can even fully cure underwater, it's no wonder our product is considered the finest waterproof glue around.

A: YES, Flex Paste can be applied on dry or wet surfaces and even underwater. It won't dissolve or wash away and even dries underwater. For best results apply a generous amount to the surface using firm pressure. This will help push the water out and allow better contact to the surface during application.

WATERPROOF ADHESIVE WITH INSTANT GRAB AND HOLD Can be applied on dry or wet surfaces, even underwater. Solvent-free, paintable, and no run and drip for overhead applications.

It can instantly glue cinder blocks. And most amazingly of all glued. An entire 4x4.

Flex Seal is a liquid rubber sealant coating that's perfect for almost any DIY project inside or outside your house. Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl.

Flex Tape is a temporary, emergency repair and is not meant to be a permanent fix. Q: Can I use it to repair an air mattress or inflatable? A: Although some customers may have success using Flex Tape on an inflatable or an air mattress, it's not designed for high-pressure applications.

Unless you don't mind wasting thousands of dollars, there's another way you can fix those pesky leaks without breaking the bank. Flex Seal is a liquid rubber sealant coating that's perfect for almost any DIY project inside or outside your house.