FlatOut Tire Sealant Sportsman Formula 32 oz — Kevlar Fiber, Seals Punctures up to 1/2" for ATVs & UTVs

FlatOut Tire Sealant Sportsman Formula is a Kevlar-fiber tire sealant in a 32-ounce bottle designed to prevent and seal tread punctures up to ½ inch for off-road and utility vehicles.

FlatOut Sportsman Formula is a ready-to-use tire sealant formulated for rugged applications where punctures and slow leaks are common. The liquid contains super-strong Kevlar fibers suspended in a water-washable, non-toxic base that’s free of latex and sticky adhesives. It’s supplied in a 32-ounce bottle (single pack) and is intended for use in tires on ATVs, UTVs, golf carts, dirt bikes, side-by-sides and similar small off-road vehicles.

How does FlatOut stop punctures and slow leaks?

The formula carries Kevlar fibers that are carried by the sealant liquid to the site of a tread puncture. When air and sealant flow through a hole, fibers and matrix material form an instant plug around the puncture, limiting air loss and allowing the tire to remain inflated.

• Seals tread punctures up to ½ inch in diameter.
• Kevlar fibers create a strong, flexible plug where needed.
• Works continuously inside the tire while the wheel turns.

Is FlatOut safe for tires and easy to clean up?

FlatOut Sportsman Formula is formulated without latex or sticky adhesives, reducing mess inside rims and on hands. The water-washable, non-toxic base simplifies cleanup when installing or when a tire must be removed for service.

• Non-toxic formulation reduces handling risks.
• Water-washable for straightforward rim cleaning.
• Latex- and adhesive-free to avoid gumming up tire components.

How long will the protection last and where is it appropriate to use?

The sealant is designed for long-term, preventative protection and is reported to remain effective for years when left inside a tire. It’s been field-tested by sportsmen and professionals in off-road, agricultural, and construction settings and is tailored for smaller, high-puncture-risk vehicles.

• Long-lasting protection intended for extended service life.
• Trusted in demanding off-road and worksite environments.
• Best suited for ATV, UTV, golf carts, dirt bikes and side-by-sides.

How do I use the 32-ounce FlatOut bottle in my tires?

Application depends on tire size and the number of tires being treated; the 32-ounce bottle is a one-pack supply that can service several small tires or a single larger tire. Add the recommended volume through the valve stem or during tire mounting, then inflate to the proper pressure and rotate the wheel so the sealant coats the inside evenly.

• Introduce via valve stem or during mounting, following vehicle-specific dosing.
• Inflate and rotate wheels to distribute sealant across the tread interior.
• Keep bottle capped and stored in a cool, dry place when not in use.

Who is this for: FlatOut Tire Sealant Sportsman Formula is intended for riders, landowners, mechanics and fleet managers who operate small off-road and utility vehicles in puncture-prone environments. If you use ATVs, UTVs, golf carts, dirt bikes or side-by-sides and want continuous in-tire protection without sticky latex residues, this 32-ounce, Kevlar-reinforced sealant offers a practical preventative option that’s tested in demanding outdoor conditions.