Invisible Waterproof Sealant – Moisture Protection, Crack Sealing & Durable Finish
Product Details
Know the feeling when damp walls, small cracks or leaks keep coming back despite expensive repairs?
With this invisible waterproof sealant that is a thing of the past – a transparent formula that penetrates deep into the material and forms a lasting protective layer without changing the natural look of your surface.

Simply apply with a brush or sprayer to concrete, natural stone, render, brick or any other porous surface – after 2 to 4 hours the protection is active. Suitable for indoor and outdoor use, environmentally friendly and completely residue-free. A single application protects against moisture for years and saves expensive follow-up damage.

What You'll Love
- Completely invisible – Leaves no residue or colour change on the treated surface
- Deep action – Penetrates several millimetres into the material for lasting protection
- Universally usable – Works on all porous materials such as concrete, natural stone, render and brick
- Long lasting & environmentally friendly – One application protects for years, with a non-toxic formula free of harmful solvents
Pairs Perfectly With
Ideal for balconies, patios, basements, bathrooms and all outdoor areas. Especially suited to older buildings with small cracks or new build projects that should be protected properly from the start.

Specifications
- Contents: 300 g (10.6 oz)
- Coverage: approx. 4–6 m² (43–65 sq ft) depending on the substrate
- Drying time: 2–4 hours
- Application: Brush or sprayer
What's Included
- 1 × Tin of waterproof sealant (300 g / 10.6 oz)
Shipping & Returns
Free standard shipping on all orders.We accept returns within 30 days of delivery for items in original condition.
Frequently asked questions
Is shipping really free?
Yes — free on every order, no minimum spend and nothing added at checkout.
What if I don't like what I ordered?
You have 30 days from delivery to send it back. Email us and we'll set up the return.
How do I track my order?
Your order ships the next business day and we email you a tracking number. Enter it on our Track Your Order page to follow it.
Which payment methods can I use?
Visa, Mastercard, American Express, Maestro, Apple Pay, Google Pay and Shop Pay, all through an encrypted checkout.
Will I get a confirmation email?
Within a few minutes of ordering. If it isn't there, check your spam folder or write to us and we'll resend it.
Free shipping
Every order ships free, no minimum and no surprise fees at checkout.
30-day returns
Changed your mind? Send it back within 30 days of delivery.
Secure checkout
Card details are encrypted and never stored on our servers.
Fast support
Real answers from our team, usually within a few hours.