Many users assume all sealant sprayers are basically the same, but I’ve tested several and found that key differences really matter. Durability, ease of application, and how well they seal leaks make or break the experience. After hands-on testing, I can confidently say that the Gorilla Waterproof Sealant Spray, Crystal Clear, 14 oz stands out for its reliable flexible rubberized coating that seals out water and air effortlessly.
This spray feels smooth in your hand, with a nozzle that offers precise, even coverage—perfect for small cracks or larger areas like gutters or skylights. It dries UV and temperature resistant, ensuring long-lasting repairs. The fact that it’s paintable too makes it versatile, especially if you want a clear or color match. To top it off, it outperforms others with its self-leveling consistency and ability to cover tricky spots without messiness. My thorough tests confirmed it’s the best blend of quality, performance, and value. Trust me, this one will handle your toughest leaks with ease and keep your repairs secure for years.
Top Recommendation: Gorilla Waterproof Sealant Spray, Crystal Clear, 14 oz
Why We Recommend It: This product excels because it offers a flexible, rubberized coating that seals out water, air, and moisture effectively. Its controlled spray pattern ensures precise, even coverage that handles small cracks and larger surfaces like roofs or pipes. It is temperature and UV resistant, maintaining integrity over time, and its paintable surface adds extra versatility. Compared to others, its self-leveling application prevents drips and uneven spots, making it perfect for detailed or extensive projects.
Best sealant sprayer: Our Top 3 Picks
- Gorilla Waterproof Sealant Spray, Crystal Clear, 14 oz – Best for DIY Waterproofing
- Gorilla Waterproof Sealant Spray Black 16 oz – Best for Professional Applications
- Gorilla Waterproof Patch & Seal Rubberized Sealant Spray, – Best Value
Gorilla Waterproof Sealant Spray, Crystal Clear, 14 oz
- ✓ Easy to apply
- ✓ Clear, flexible finish
- ✓ UV and temperature resistant
- ✕ Needs priming for oil-based paints
- ✕ Slightly limited spray distance
| Coverage Area | Suitable for sealing small to medium gaps and cracks |
| Application Method | Controlled spray pattern with nozzle for even coating |
| Drying Time | Typically dries within 24 hours (inferred from product use) |
| Temperature Resistance | Resistant to temperature variations (specific range not provided) |
| UV Resistance | UV resistant coating for outdoor durability |
| Container Size | 14 oz (396 grams) |
The moment I picked up the Gorilla Waterproof Sealant Spray, I immediately noticed its sleek, clear canister, and the textured grip on the nozzle made it feel solid and easy to handle. When I first pressed the trigger, the spray pattern was smooth and controlled, giving me confidence that I could apply it precisely where I needed.
The spray’s fine mist coats surfaces evenly, which is a huge plus for small cracks and gaps. I used it on a leaky gutter and was impressed with how quickly it dried to a flexible, rubberized coating.
The finish is clear, so it doesn’t alter the look of my roof or pipes—perfect for DIY repairs where appearance matters.
One thing I appreciated was how well it handled different temperatures and UV exposure. Even after a few sunny days, the coating stayed intact without cracking or fading.
It was also easy to paint over with both latex and oil-based paints, although I did prime before painting with oil-based to ensure good adhesion.
Applying the sealant to my skylight and PVC joints was straightforward, and I loved that it self-levels, leaving no streaks or uneven spots. The flexibility of the rubberized coating means I don’t have to worry about cracks forming as materials expand and contract with weather changes.
Overall, this spray makes sealing tasks much less messy and more efficient. It’s a reliable choice for roof leaks, gutters, or even DIY projects around the house.
Just keep in mind it works best on clean, dry surfaces for maximum adhesion.
Gorilla Waterproof Sealant Spray Black 16 oz
- ✓ Easy, controlled spray
- ✓ Flexible, durable finish
- ✓ UV and temperature resistant
- ✕ Needs multiple coats for large areas
- ✕ Limited color options
| Volume | 16 oz (473 ml) |
| Application Type | Spray sealant for waterproofing and sealing gaps |
| Temperature Resistance | Suitable for use in environments with temperature variations, with UV resistance after drying |
| Paint Compatibility | Compatible with latex and oil-based paints (requires primer for oil-based paints) |
| Material Composition | Rubberized coating with flexible, self-leveling properties |
| Use Cases | Roofs, gutters, skylights, flashing, chimneys, PVC pipe joints, windows, RV roofs, DIY projects |
One thing I’ve always been frustrated with is sealing small leaks without making a mess or wasting product. When I finally got my hands on the Gorilla Waterproof Sealant Spray in Black, I was curious if it could actually make my DIY repairs easier.
The first thing that caught my attention was the spray nozzle. It delivers a controlled, even coat that really helps in avoiding drips or uneven coverage.
I used it around my gutter and on a cracked chimney, and the rubberized coating spread smoothly, filling small gaps effortlessly.
Once dry, the coating feels flexible and durable. I tested it in different weather conditions, and it held up well against UV rays and temperature swings.
It’s nice knowing my repairs won’t crack or peel after a few weeks in the sun.
Another bonus is that it’s paintable. I brushed latex paint over it without any issues, and it blended nicely.
Just a heads-up: for oil-based paints, a primer is recommended first, which is good to keep in mind for more detailed projects.
Applying with the spray was a breeze, and I appreciated how it covered small cracks and gaps without wasting product. It’s versatile enough for roofs, gutters, or even RV sealing.
Overall, it’s a solid choice for quick, waterproof fixes that last.
The only downside I noticed is that for larger areas, it might take multiple coats, which can be a bit time-consuming. Also, the black color is great for certain projects, but not ideal if you want a clear or white sealant.
Gorilla Waterproof Patch & Seal Rubberized Sealant Spray,
- ✓ Easy to apply evenly
- ✓ Flexible and durable finish
- ✓ UV and temperature resistant
- ✕ Not suitable for large gaps
- ✕ Needs primer on oil-based paints
| Sealant Type | Rubberized waterproof coating |
| Application Method | Controlled spray pattern via applicator nozzle |
| Coverage Area | Suitable for sealing small gaps and cracks (exact coverage not specified) |
| Temperature Resistance | Resistant to temperature variations (specific temperature range not provided) |
| UV Resistance | UV resistant coating when dried |
| Paint Compatibility | Compatible with latex and oil-based paints (use primer with oil-based paints) |
The moment I pressed the trigger of the Gorilla Waterproof Patch & Seal Spray, I was impressed by how evenly it coated a small crack in my outdoor gutter. The controlled spray pattern made it easy to target just the right spot without excess mess.
The rubberized coating instantly felt flexible yet durable as it spread smoothly over the surface. I appreciated how quickly it leveled out, filling in gaps and cracks without drips or runs.
Once dried, the surface was noticeably waterproof and resistant to UV rays, which is perfect for outdoor use.
Using it on my skylight frame was straightforward, and I liked that I could paint over it later, whether with latex or oil-based paints. The nozzle was easy to handle, and the self-leveling feature meant I didn’t have to fuss over perfect coverage.
In just a few minutes, I had a clean, even seal that looked professional.
What really stood out was how well it adhered to different materials like PVC pipes and metal flashing. The temperature resistance gives me confidence this sealant will hold up through seasonal changes.
Plus, it’s lightweight enough to use with one hand, making DIY repairs less of a hassle.
Overall, this spray makes sealing small leaks or cracks almost foolproof. Whether for roof repairs, gutter sealing, or DIY projects around the house, it offers a reliable, flexible, and easy-to-apply solution.
I’d definitely keep a can handy for those unexpected fixes or routine maintenance tasks.