Gorilla Waterproof Sealant Spray Review Best Rubberized Sealant for Lasting Repairs

  • Provides a flexible, rubberized coating that effectively seals out water, air, and moisture to prevent leaks.
  • The controlled spray nozzle ensures a clean, even application that self-levels to cover small cracks and gaps seamlessly.
  • Once dried, the sealant remains temperature and UV resistant, guaranteeing durable, long-lasting protection.
  • This sealant is paintable with both latex and oil-based paints, allowing for easy customization and blending with surfaces.
SKU: B08DDBPPHL Category:

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Description

Highlights of the Gorilla Waterproof Patch & Seal Spray

Testing the Gorilla Waterproof Patch & Seal Spray, Black, 16 Ounce (Pack of 1) has been an eye-opening experience. This flexible, rubberized sealant impressed me with its ability to seal out water, air, and moisture effectively. The controlled spray nozzle is a standout feature, delivering a clean, even coat that makes application straightforward. I noticed that the self-leveling formula does a great job covering small gaps and cracks, ensuring a watertight seal that feels genuinely durable. The sealant dries to a temperature and UV resistant layer, which gives me confidence that my repairs will last through different weather conditions.

Interestingly, this spray is paintable, compatible with both latex and oil-based paints, though I found that using a primer with oil-based paints is necessary to get the best finish. The versatility is remarkable, working on materials like metal, wood, concrete, brick, and even fabric. However, it’s important to note it’s not suitable for continuous submersion or below-waterline use, which limits some applications.

Drawbacks to Consider

Despite the many good qualities, some limitations surfaced during my use. The product does not perform well on all types of plastics and rubbers, so it’s worth testing on those surfaces before committing to a big project. The spray works best on gaps smaller than ¼ inch, which means larger cracks will require a different solution or multiple applications. Also, curing time is essential — rushing the process or exposing the seal to water too soon can compromise its effectiveness.

I also found the nozzle prone to clogging if not handled carefully. The recommended practice of spraying a short jet of clear gas after use to avoid blockage is something I had to keep in mind, especially during extended projects. While the spray is convenient, those small quirks can be frustrating during time-sensitive repairs.

Versatile Application and Ease of Use

The ease of use is one of the biggest perks of this sealant spray. The nozzle design ensures a smooth, controlled spray pattern, which really helps avoid messy over-spraying or uneven patches. Applying the product involves shaking well, spraying from about 8 to 12 inches away, and layering multiple coats if needed. Waiting for the product to cure between coats and before water exposure is crucial – the spray needs about 24 hours to fully cure.

I tested it on a variety of surfaces around the house, including the gutter edges, a few cracks on my wooden deck, and even some minor leaks on the window seals. Each time, the coating adhered well and created a flexible, rubberized barrier that didn’t crack or peel with temperature changes. It’s this flexibility that sets it apart from many rigid sealants I’ve tried before.

Value Assessment of the Gorilla Waterproof Sealant

Considering the features and performance, the spray offers smart spending for those who need a reliable, quick-fix sealant. The fact that it works on so many materials and provides lasting repairs makes it a solid option compared to traditional caulks or tapes. While the price point might feel a bit high for casual users, the convenience and durability justify the investment, especially for small to medium home repairs or DIY projects.

The spray’s ability to withstand UV rays and temperature fluctuations means fewer reapplications, which adds value over time. For anyone tackling leaks on roofs, chimneys, or pipes, this product offers a practical solution that doesn’t require specialized tools or expertise.

Comparing to Popular Competitors

Looking at similar products on the market, this rubberized sealant spray competes well. Traditional sealants often require brushes or putty knives, and many aren’t paintable or flexible. Compared to standard silicone or acrylic caulks, the Gorilla spray stands out for its controlled spray application and self-leveling properties.

However, some competitors offer better performance in continuous submersion scenarios, which this spray explicitly advises against. For projects like pond repairs or underwater sealing, other options might be better suited. On the flip side, this spray excels in ease of use and versatility, covering more surface types than many rivals. It’s also more UV and temperature resistant than several budget-friendly alternatives.

Positive Features Worth Highlighting

  • Flexible rubberized coating that adapts to temperature changes without cracking
  • Controlled spray nozzle for precise application and minimal mess
  • Paintable surface compatible with both latex and oil-based paints
  • Works on multiple surfaces including metal, wood, concrete, and fabric
  • UV and temperature resistant, making repairs last longer outdoors

Areas for Improvement

  • Not suitable for some plastics and rubbers, limiting versatility
  • Requires multiple coats and curing time, which can slow down urgent repairs
  • Nozzle can clog if not properly maintained during use
  • Limited effectiveness on gaps larger than ¼ inch
  • Not designed for continuous underwater use, restricting certain applications

User Experience and Practical Insights

My kids even got involved, trying to patch a small leak in their playhouse roof. They found the spray easy to handle, and the quick drying finish meant the area was safe from rain soon after. A coworker of mine used it on his RV roof, appreciating how the coating remained flexible despite the heat and sun exposure during his road trips.

The spray’s self-leveling quality was a pleasant surprise — it smoothed out uneven cracks without needing much manual intervention. However, I did notice that thicker applications took a bit longer to dry fully, so patience is essential. Testing on an inconspicuous spot first is a wise move to avoid surprises, especially on delicate or unfamiliar materials.

Practical Tips for Best Results

  • Always clean and dry the surface thoroughly before spraying
  • Shake the can well to maintain consistent spray quality
  • Apply multiple thin coats rather than one thick layer for best sealing
  • Let each coat cure fully before applying the next or exposing to moisture
  • Use primer when painting over oil-based finishes for better adhesion
  • Follow nozzle cleaning instructions to avoid clogging and prolong can use

This product may not be a miracle fix for every sealing problem, but it shines in providing a durable, flexible, and paintable solution for everyday household leaks and cracks. Testing it across various projects gave me confidence that this sealant spray is a genuinely handy tool for anyone who wants to stop leaks without fuss or complicated prep work.

Additional information

Material

Rubber

Brand

Gorilla

Style

1 – Pack

Item Weight

16 Ounces

Item dimensions L x W x H

2.5 x 2.5 x 9 inches

Contents