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Gorilla Waterproof Patch & Seal Tape Review: Is It Truly 100% Waterproof and Durable?

Gorilla Waterproof Patch & Seal Tape Black 3m
4.8
[100% Waterproof Bond]  Forms a permanent, airtight, 100% waterproof seal for reliable repairs.
[Extreme Condition Durable]  Performs in wet, dry, hot or cold environments without failing.
[UV Resistant Backing]  UV-resistant backing resists sun exposure to prevent degradation.
[Flexible, Stretchable Design]  Rubberised backing flexes and stretches to conform to uneven surfaces.
[Versatile Home Use]  Ideal for window frames, gutters, pond covers, inflatables, roofing and more.
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Patch and seal tape for quick repairs, promising a permanent, waterproof and airtight bond. Ideal for homeowners and gardeners who need dependable weatherproof fixes without specialist tools, Gorilla Waterproof Patch & Seal Tape copes with sunlight and wet or dry conditions. Will it stick where repairs matter most and stay sealed over time?

⚡ At a Glance
  • Sealing Performance: Forms a permanent, airtight and waterproof bond
  • Best for: Patching gutters, pond covers, inflatables and conservatories
  • Not ideal for: Seams, pressurised applications or engine-related automotive use

A rubberised backing creates a waterproof, airtight seal that performs in wet, dry, hot and cold conditions. Application works best on clean surfaces at room temperature, and the tape may not adhere to silicone or water-repellent materials.


Permanent, Airtight Repairs – Thanks to 100% waterproof rubberised backing

A rubberised backing forms a permanent bond that is described as 100% waterproof and airtight, intended to seal holes, cracks, gaps and tears. The material retains adhesion in wet, dry, hot or cold conditions.

Reliable patches on gutters, roofing and conservatory frames reduce recurring leaks, creating a long-lasting seal rather than a temporary fix.

Flexible Patching on Uneven Surfaces – With rubberised flex and stretch backing

The rubberised backing can be flexed and stretched, allowing the tape to conform to irregular shapes and contours. The liner remains on while cutting so that custom-sized patches can be prepared.

Easier application around curved pipes, inflatable seams and window frame edges, reducing gaps that commonly cause failures with rigid tapes.

Outdoor-Ready Durability – Thanks to UV resistant backing

A UV resistant backing helps prevent deterioration from direct sunlight, helping maintain seal integrity during prolonged outdoor exposure. The material is formulated to resist environmental stresses.

Patches on exposed gutters, pond covers and roofing keep their bond and do not break down quickly under sun exposure, extending repair life.

✨ The 4 Key Reasons for Gorilla Waterproof Patch & Seal Tape
  1. 100% waterproof bond – Prevents water ingress on common household leaks, lasting through wet weather
  2. UV resistant backing – Holds up to prolonged sunlight exposure without rapid degradation
  3. Flex and stretch backing – Conforms to irregular shapes, reducing the need for exact cutting
  4. Straightforward application steps – Clean, cut with liner on, remove liner and press firmly for secure adhesion
📋 Technical Details at a Glance
  • Category: Patch & Seal Tape
  • Brand: Gorilla
  • Length: 3 m
  • Colour: Black
  • Waterproof: 100% waterproof and airtight bond
❓ Frequently Asked Questions

Q: Can the tape be used outdoors and withstand sunlight?

A: Yes, the UV resistant backing resists direct sunlight and the tape is designed to withstand wet, dry, hot and cold conditions.

Q: Will the tape stick to silicone or water-repellent materials?

A: Adhesion may fail on silicone or water-repellent materials, the tape may not adhere reliably to those surfaces.

Q: Is it suitable for pressurised seams or engine repairs on vehicles?

A: No, not for use on seams, applications under pressure, or automotive applications relating to the engine.

🏆 Our Verdict

The Gorilla Waterproof Patch & Seal Tape suits homeowners, gardeners and DIYers who need a weatherproof, flexible patch for common leaks. The combination of a rubberised, UV resistant backing with a permanent, airtight bond makes it particularly useful for outdoor repairs on gutters, pond covers and conservatories. While individual needs vary, the tape's durability and clear application steps deliver practical long-term value for routine weatherproofing tasks.