Instant Leak Stop
Provides immediate protection against water intrusion.
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Why customers love it
Invisible protection for lasting structural integrity
Restore the seal and protect your surfaces with our clear, brush-on sealant designed to handle various environmental stresses.
- Instantly stops leaks and prevents water damage
- Dries clear, leaving no visible residue behind
- Penetrates deep into cracks and porous materials for a lasting bond
- Flexible formula resists cracking from extreme temperature changes
- Safe and non-toxic for indoor and outdoor repairs
Why Choose Our Waterproof Sealant
Invisible Finish
Dries clear, ensuring a professional and invisible repair.
Extreme Durability
The flexible formula stands up to heat and freezing cold.
Versatile Application
Safe for use on concrete, wood, metal, and tile surfaces.
Product Details
Key Product Specifications
Details on composition and suitability.
- Application Type
- Brush-on Sealant
- Resists
- Extreme Heat and Freezing Cold
- Compatibility
- Concrete, Tile, Wood, Metal, Plastic
- Toxicity
- Non-toxic and Odorless (once cured)
More details
A clear, brush-on sealant that instantly stops leaks and protects surfaces from water damage. Simply apply to cracks, joints, or porous areas for a durable, invisible waterproof barrier.
- Brush-on application dries clear and leaves no visible residue
- Penetrates deep into cracks, joints, and porous materials for a lasting seal
- Flexible formula resists cracking in extreme heat or freezing cold
- Suitable for indoor and outdoor use on concrete, tile, wood, metal, and plastic
- Non-toxic and odorless once cured for safe home application
Ideal for bathroom tiles, window sills, roof seams, and exterior wall repairs.
Frequently Asked Questions
Answers to common questions about using the sealant.
Is this sealant safe for indoor use?
Yes, the sealant is formulated to be non-toxic and odorless once fully cured, making it safe for home application.
How long does it take to dry?
The sealant dries clear, but allow sufficient time for it to fully cure and achieve maximum durability before exposing it to heavy moisture.
Can I use this on all types of materials?
It is suitable for a wide range of surfaces including concrete, tile, wood, metal, and plastic joints and cracks.
Does the sealant require professional installation?
No, this is a simple brush-on product designed for DIY users to handle common repairs.
How do delivery and returns work?
Shipping
Free standard shipping
To United States: 1–3 business days processing, then 7–15 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
C
Compared to some AAA batteries, and if it weighs 500 grams, I will reassess later to see if it does what it promises.
J
Arrived very quickly, haven't used it yet.
F
Arrived on time but i still need to try it
B
Transparent Waterproof Sealant for Leaks & Cracks
R
The item arrived well-packaged and within the specified timeframe. The small unit is really only suitable for testing or for sealing small areas.
E
I gave the product a 4-star rating, but I hope that the product deserves a 5-star rating. Very fast delivery, and kudos for that. Excellent packaging, so kudos to the seller as well.
W
Great thankyou
B
Great thankyou
E
The goods arrived in good condition, thank you.
F
Great thankyou.
E
This is a repeat purchase. it is one of the best sealing products i have used in 50 years in the construction trade.
E
Transparent Waterproof Sealant for Leaks & Cracks
B
Very good product, but it needs to waterproof the stone base.
M
Transparent Waterproof Sealant for Leaks & Cracks
S
Received.
W
Haven't tried it yet. It's a very small jar.
P
Product matches the description, not tested yet, a small downside. However, it's impossible to read the white text on yellow background, even with a magnifying glass. I'll post a review once I've tested it.
R
The product arrived on time, I recommend the seller as he is very precise and reliable, great product.
E
The weight is just right. It arrived quickly. Nice product. You will receive a brush together with it.
W
It arrived late due to the Easter holidays, well packed and ready to use.
M
The product is not the same as in the image, but it comes well protected. I hope it meets its purpose.
