Flex Seal Liquid bottle pour for fast watertight sealing
Flex Seal Liquid roller application on a surface demonstrates flexible coating
Flex Seal Liquid brush-on seal on a roof seam provides waterproof protection
Flex Seal Liquid exposed to sun shows UV resistance in outdoor use
Flex Seal Liquid masonry seal applied to a crack shows versatile waterproofing
Flex Seal Liquid on an RV seam illustrates outdoor protection during travel

Flex Seal Liquid

Flex Seal Liquid Rubber Coating Sealant – Waterproof, Flexible, UV Resistant, 32 oz

High-performance tools and home improvement made for confident daily results

$49.40

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Why customers choose TaskHolt Tools

Flex Seal Liquid is liquid rubber in a can, a versatile coating you can brush, roll, dip or pour on. In seconds, it forms a flexible film that blocks water, air and moisture, making sealing cracks and seams easier with minimal effort.

Key benefits at a glance

  • Watertight, flexible rubber coating that seals water, air and moisture
  • Simple, fast application that goes on smooth and covers large areas quickly
  • UV resistant finish protects exposed surfaces from sun damage
  • Helps prevent rust and corrosion; chemical resistant

Ideal applications and surfaces

  • Roof repairs for homes, RVs, campers, trailers and boats
  • Basements, masonry, EPDM and other common building materials
  • Wood, metal and concrete surfaces ready for a durable seal

How to use Flex Seal Liquid

Shake well before use. Apply by brush, roller, dip or pour, depending on the project. Ensure surfaces are clean and dry, then apply in an even coat. Allow to dry before applying a second coat if needed for extra protection.

FAQ

Q: What surfaces can Flex Seal Liquid be used on?

A: Roofs, basements, masonry, EPDM rubber, wood and metal surfaces are compatible; the coating dries to a flexible film that blocks water and moisture.

Q: How can I apply Flex Seal Liquid for best results?

A: Apply by brush, roller, dip, or pour; ensure surfaces are clean and dry; apply evenly and allow to dry before use.

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