Accessible, durable spray sealants can extend the life of inflatables—from air mattresses to pool toys and inflatable boats. This guide reviews five strong options that seal out water, air, and moisture while remaining flexible after drying. Each product focuses on easy application, lasting adhesion, and resistance to temperature and UV exposure.
| Product | Brand | Best For | Format |
|---|---|---|---|
| Gorilla Waterproof Patch & Seal Rubberized Sealant Spray (Crystal Clear) | GORILLA | Clear, flexible seals for inflatables requiring invisibility | Spray |
| Gorilla Waterproof Patch & Seal Rubberized Sealant Spray (Black) | GORILLA | Durable, opaque repairs on dark surfaces | Spray |
| Leak Stopper Rubber Flexx – White | Leak Stopper | White sealant for generic leaks on varied surfaces | Spray |
| JENOLITE Stop Leak Sealer Spray (Clear) | JENOLITE | Emergency repairs on gutters, RVs, and flat surfaces | Spray |
| Coghlan’s Airstop Vinyl Repair Adhesive Sealant | Coghlan’s | PVC and inflatable repairs on air mattresses and boats | Adhesive tube |
The selections below are organized to help readers compare accessibility, color options, and material compatibility for common inflatables. Always test on a small, inconspicuous area before applying to larger surfaces.
Gorilla Waterproof Patch & Seal Rubberized Sealant Spray – Crystal Clear

The Gorilla Crystal Clear variant delivers a flexible rubberized coating that seals out water, air, and moisture. Its controlled spray pattern provides an even coat for small gaps and cracks, promoting a watertight seal on inflatables such as pools or air mattresses. After drying, the repair remains temperature and UV resistant, helping maintain clarity on transparent surfaces and ensuring long-lasting performance in outdoor conditions. Suitable for quick field repairs where appearance matters, this spray emphasizes ease of use and reliable sealing power.
Gorilla Waterproof Patch & Seal Rubberized Sealant Spray – Black

This Black version offers the same flexible sealant properties as the crystal variant but with a dark finish that blends into darker inflatables or repairs on black surfaces. The spray forms a self-leveling coating that fills small cracks and gaps, delivering a durable water and air seal. It also stays flexible after curing and resists temperature and UV exposure, making it suitable for outdoor use in variable climates. Ideal when visual uniformity matters and a robust, lasting seal is required.
Gorilla Waterproof Patch & Seal Rubberized Sealant Spray – White

The White Gorilla spray provides a versatile, ruberized coating that dries to a white, flexible seal. It seals out water, air, and moisture and is easy to apply with a controlled spray pattern for even coverage. The sealant remains flexible and weather resistant after curing, suitable for inflatables exposed to sun and rain. Its strong adhesion helps address minor tears and seam gaps on air mattresses, pool toys, or other inflatable gear.
Leak Stopper Rubber Flexx – 18 oz (Black)

Leak Stopper’s Rubber Flexx is designed to seal leaks on a broad range of surfaces, including shingles, metal roofs, chimneys, and gutters, while remaining flexible after drying. The spray form allows rapid, patch-like repairs, white when cured, and can be used on both dry and wet surfaces. This makes it a practical option for inflatables needing a quick, durable fix that can handle temperature fluctuations and exposure to the elements. It provides a robust seal for seams and punctures on air-filled products or temporary shelters.
Leak Stopper Rubber Flexx – White

The White variant of Leak Stopper’s Rubber Flexx is a versatile sealant that dries to a white, flexible, rubberized coating. It is suitable for a wide variety of surfaces and is designed for long-lasting protection against leaks. The product is noted for its ability to seal cracks and holes on inflatables and other outdoor items, maintaining flexibility to adapt to temperature changes and weather conditions. It serves as a practical option for quick inflatables repairs in both camping and home settings.
SUNGUARD Fabric UV Protectant and Sealant Spray

SunGuard provides UV protection and fabric sealant benefits, making it suitable for inflatable fabrics and cushions. By reducing color fading and extending the life of outdoor fabrics, this spray helps inflatables retain appearance and structural integrity through sun exposure. It’s particularly useful for inflatables that sit in direct sunlight, offering an additional layer of protection against fading and wear while aiding cleanliness and waterproofing of the fabric surface.
Coghlan’s Airstop Vinyl Repair Adhesive Sealant

Coghlan’s Airstop is a compact vinyl repair adhesive designed specifically for PVC and inflatable repairs. It permanently seals punctures, leaks, and small tears, forming a strong and lasting bond on outdoor gear such as air mattresses and inflatable boats. Its waterproof and flexible bond is ideal for field repairs, and the small tube size makes it highly portable for camping and travel, ensuring inflatables are quickly back in service after a puncture.
Buying Guide: Key Purchase Considerations
- Material compatibility: Ensure the sealant adheres to PVC, vinyl, or fabric commonly found in inflatables.
- Finish and visibility: Choose crystal clear or white for less visible repairs on light-colored surfaces; black or opaque for darker items.
- Drying time and recoatability: Quick-drying formulas with the option to apply additional coats improve repair strength.
- Flexibility and UV resistance: Inflatable gear benefits from a sealant that remains flexible and resists sun exposure to prevent cracking.
- Waterproof and air sealing: Look for self-leveling applications that fill small cracks and seams to prevent leaks effectively.
- Application method: Sprays are convenient for large or awkward areas; adhesives in tubes may suit small punctures or patches.
- Surface prep and safety: Clean and dry surfaces before application; use in well-ventilated areas and follow product safety guidance.
- Durability vs. temporary fix: Some products are designed for long-term repairs, others for quick, temporary patches; select based on use case and environment.
Choosing the right spray sealant for inflatables depends on color needs, surface material, and the severity of the damage. For visible repairs on light-colored inflatables, a crystal clear or white sealant minimizes appearance. Dark surfaces benefit from black or opaque finishes. For rapid field repairs on PVC gear, consider Coghlan’s Airstop for reliable adhesion. If UV exposure is a concern, opt for products with UV resistance to extend the life of outdoor inflatables.