Rapid Seal Rubberized Sealant Spray–Black (18 oz)

Seymour Rapid Seal Black Rubberized Sealant Spray Product Details

Seymour has a reputation for designing high-quality, high-performance solutions for pros and DIYers. It’s a rep we’re proud of, and we keep earning it with products that work hard and smart in the real world.

Our Rapid Seal Black Rubberized Sealant Spray is another example of our commitment to excellence. This flexible crack and leak sealant spray is made for a variety of everyday outdoor fixes. It forms a protective skin that keeps moisture out and helps stop rust before it starts. It dries fast, won’t sag, and can be topcoated.

Need to seal a gutter or skylight leak? Dealing with small driveway cracks or need a protective underbody sealant for a car or truck? Or are you pruning trees and want a clean, sealed cut? Grab Rapid Seal moisture-blocking sealant spray and get to it!

Tough & Flexible Black Sealant Spray

Surfaces shift. Temperatures swing. Materials expand and contract. Rapid Seal Black Rubberized Sealant Spray flexes with it all. The rubberized coating forms a durable barrier on metal, wood, driveways, and more.

Use it on roofs, skylights, flashings, and gutters; driveway cracks; vehicle underbodies; and after pruning trees. It sticks, it seals, it protects, and it stays put. After all, it’s Seymour.

Seals Cracks, Resists Rust, Blocks Moisture & More

We design coatings that protect and make your life easier. Rapid Seal flexible black rubberized sealant spray blocks moisture, helps prevent rust and corrosion, and gives you a base you can leave as‑is or topcoat. It is heat-resistant up to 300°F, which makes it a smart choice for roof penetrations, gutters, and vehicle underbodies. Tough where it counts. Flexible where it needs to be.

Use in a Variety of Outdoor Applications!

One can. A lot of problems solved. Seal small cracks in driveways, lock out water around skylights and flashings, stop leaks in gutters, and help protect underbodies from moisture and road grime. It is also excellent for sealing fresh tree cuts after pruning, and it doubles as a handy sealer for pails, planters, and trash cans.

Quick Facts

• Flexible black rubberized sealant spray
• VOC-compliant
• Dries to the touch in about 10 minutes
• Handle in 4 to 6 hours (Dry times are based on standard conditions. Thicker or multiple coats extend cure and recoat times.)
• Won’t sag when applied correctly
• Up to 18 square feet of coverage per 18‑oz can
• Heat-resistant to 300°F
• Topcoatable
• NOT gasoline resistant
• Shelf life guaranteed for 2 years

Dries Fast & Won’t Sag!

We know you’re busy. Keep your day moving! Rapid Seal is a fast-drying sealant so you can seal and get on with the next task. It is touch‑dry in about 10 minutes and does not sag when applied correctly. Thick or extra coats will need more time to cure, of course.

Suggested Uses for Seymour’s Rapid Seal Flexible Black Rubberized Sealant Spray

Use Rapid Seal Black Rubberized Sealant Spray when you want a fast, dependable seal that’s tough and flexible. It’s ideal for:

• Roof areas: skylights, flashings, gutters, antenna installations
• Small cracks or holes in driveways
• Underbody automotive rust protection & road‑spray defense
• After tree or shrub pruning
• Sealant on pails, planters & trash cans

Temporary truck bed liner patch? Rapid Seal can do it. But for the best fix, we recommend Seymour Truck Bed Liner.