Waterproof Leak Repair Sealant – Wall, Roof & Gutter Sealer
Waterproof Leak Repair Sealant – Wall, Roof & Gutter Gap Filler
Stop leaks in their tracks with this fast-acting waterproof liquid sealant. Whether you're tackling a dripping gutter, cracked wall, damp bathroom, or damaged roof tile, this 100mL brush-on formula bonds in seconds and forms a tough, long-lasting barrier against moisture — no special tools or prep work needed.
Made in Mainland China.
Why You'll Love It
- Instant Waterproof Seal: Creates a durable waterproof barrier in seconds, closing cracks and gaps quickly without long curing times.
- All-Weather Performance: Engineered to withstand UV rays, heavy rain, and extreme temperatures from -30°C to 80°C — built to last through every season.
- Self-Adaptive Formula: Flexes and self-heals with the substrate, accommodating natural movement in tiles, gutters, and concrete to prevent future water ingress.
- No-Prep, 3-Minute Fix: Simply brush on and you're done — no primer, no mixing, no waiting. Single-hand applicator brush included for precise spot repairs.
- Anti-Pressure Shield Technology: Reinforced formula resists water pressure buildup, protecting surfaces through prolonged or severe weather events.
- Wide Application: Ideal for walls, window frames, rooftops, gutters, bathroom grout, tiles, and concrete surfaces.
Specifications
| Net Content | 100 mL |
| Shelf Life | 3 Years |
| Temperature Range | -30°C to 80°C |
| Certification | CE |
| Country of Origin | Mainland China |
What's in the Box
- 1 × Waterproof Liquid Sealant (100mL)
- 1 × Application Brush
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Note: Due to different lighting and screen settings, item colors may vary slightly from the pictures. Due to manual measurement, please allow a 1–2 cm size difference.
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Frequently Asked Questions
Q: What surfaces can this waterproof sealant be used on?
A: This waterproof leak repair sealant is suitable for a wide range of surfaces including walls, roof tiles, gutters, window frames, bathroom grout lines, concrete, and more. It bonds to most common building materials, making it a versatile gap filler for both indoor and outdoor repairs.
Q: How long does the waterproof sealant take to set?
A: The fast-acting liquid formula begins forming a waterproof seal within seconds of application and delivers a functional repair in approximately 3 minutes. No extended curing period is required, so surfaces can be exposed to water almost immediately after application.
Q: Can this sealant handle outdoor temperature extremes?
A: Yes. This roof and gutter sealant is formulated to remain flexible and effective across a temperature range of -30°C to 80°C, offering reliable protection through freezing winters, hot summers, UV exposure, and heavy rainfall.
Q: How much sealant is included, and what is in the package?
A: Each package contains one 100mL bottle of waterproof liquid sealant and one application brush for easy, precise repairs. The shelf life of the product is 3 years when stored properly.