Flexible Waterproof Sealant 500ml | Self-Levelling, No-Mix Crack Repair | Freeze, UV & Weather Resistant Formula
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A flexible, self-levelling sealant that fills cracks and gaps, then dries to a tough, water-resistant layer within hours
It comes in a 500 ml squeeze tube and goes on straight from the nozzle, with no mixing, sanding or tools needed. The formula spreads and flattens itself into the gap, then sets into a seal that stays flexible rather than cracking as the surface shifts. It's built to handle frost, direct sun and repeated wetting without breaking down.
Why is this Waterproof Sealant perfect for you?
- Self-levelling, no-mix formula: Apply straight from the tube and it flattens itself, so there's no mixing, no tools, and less time spent on each repair.
- Flexible after curing: The dried seal moves with the surface, so cracks are less likely to reopen as materials expand and contract with temperature.
- Fast-drying formula: Ready to withstand moisture in a matter of hours, so repairs are protected the same day instead of left exposed overnight.
- Works across surfaces: Suited to concrete, wood, and window or door frames, so one tube covers several repair jobs around the home.
Specifications:
Design: Flexible sealant supplied in a 500 ml squeeze tube, available in grey or black.
Details: No-mix, self-levelling formula; withstands moisture within hours of application.
Function: Fills cracks and gaps, then sets into a flexible, water-resistant seal that moves with the surface.
Placement: Windows, doors, concrete, wood, exterior walls.
Ideal for: Sealing cracks, blocking leaks, weatherproofing gaps before winter or wet seasons.
*UPDATE: Due to high demand for the Waterproof Sealant stock is very limited!
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Our guarantees:
- Not satisfied? Money back: If you're not satisfied for any reason, we'll do everything we can to ensure you're 100% happy with your purchase.
- Free delivery: All orders placed in our online shop are delivered to your home free of charge. There is no minimum order value required.
- 24/7 customer service: Our customer service team is available 7 days a week to answer any questions and/or address any concerns you may have.
We offer free shipping with no minimum order value. Every order can be tracked at any time using an individual tracking number.
14-Day Return Policy
14-Day Return PolicyWe offer a 14-day right to return or exchange if for any reason you are not satisfied with your order.
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At Delveno, everything revolves around the perfect balance between design and functionality. We believe that lighting, home decoration, and accessories play an essential role in the appearance and atmosphere of a space. That is why we offer a carefully selected collection of lamps, home decoration, and accessories that are timeless, stylish, and versatile.
Why choose Delveno?
- 14 days return policy
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- Caring customer support
What our customers say
Beautifully made and exactly as shown. It looks great on my shelf and arrived quickly in perfect condition.
Looks even better in person. It gives off a warm, even light and fits perfectly with my modern décor.
Ordered it on a whim and I'm really happy I did. It adds so much character to the room and was very easy to hang.
Really pleased with it. The warm lighting creates a cozy atmosphere and it has become the centerpiece of my living room.
This is my second order from this store. The light looks beautiful, was simple to install, and the quality is consistently excellent.
Exactly what I was looking for. It keeps all my shoes organized without taking up much space, and assembly was quick and straightforward.