Flex Seal 14 oz Brown – Stops Leaks Fast with Waterproof Rubber Sealant Spray-On Coating

Fast, flexible leak protection in a spray

Flex Seal 14 oz Brown is a spray-on sealant that coats surfaces in minutes, forming a rubberized film that blocks water and moisture. Once dry, the coating can be painted any color, giving you options to blend with your project.

What makes it work

• Seeps into cracks and holes for thorough coverage, creating a watertight seal.
• Dries to a flexible, rubberized coating that stays pliable and resistant to movement.
• Stays effective across seasons, resisting sagging in heat and cracking in cold.
• Color can be matched or painted over after curing for a clean finish.

Surface versatility

The product seals and protects a wide range of materials and surfaces, including gutters, wood, RVs, campers, roofs, skylights, and windows. It also protects surfaces from corrosion and can be used on both wet and dry surfaces, expanding your options for on-site repairs or crafts.

In everyday use

Ideal for quick fixes at home, on the road, or in hobbies. The ready-to-use spray coats evenly, forming a durable layer that resists rain, sun, and daily wear. It’s helpful for exterior repairs like gutters and roof edges, as well as DIY projects that require a flexible, paintable seal.

Usage tips and care

• Prepare the area by removing loose debris; shake well before use, and apply in a well-ventilated space.
• Hold the can 6-8 inches from the surface for a smooth, even coat; apply in thin layers as needed.
• Allow ample drying time before painting or exposing to water; you can recoat later if desired.

What to expect

Flex Seal provides a dependable, flexible barrier that can adapt as surfaces move. The coating remains pliable for years, reducing the risk of peeling or cracking in changing temperatures. The 14 oz can is designed for convenient, on-demand use for various projects.