Raincheck Water Seal 5 Litre - Breathable, Clear Exterior Brick, Stone, Mortar & Concrete Sealer

I recently used Raincheck Brick and Stone Waterproofer for my exterior brickwork, and I couldn't be more impressed with the results. From start to finish, this product exceeded my expectations. First off, the application was incredibly easy. The waterproofer went on smoothly, and it absorbed quickly into the surface, leaving no visible residue or streaks. It's clear that Raincheck has formulated a high-quality product that’s easy to apply, even for a DIY enthusiast like myself. What truly stands out is the effectiveness. After using Raincheck, I noticed an immediate improvement in the water resistance of my brick and stone surfaces. Heavy rainfall used to leave visible stains and damp patches on my exterior walls, but since applying Raincheck, there’s been no water penetration whatsoever. My bricks and stone look as good as new, and the walls are completely dry—even after the heaviest storms! I also appreciate that it doesn’t alter the natural appearance of my brick or stone surfaces. It enhances the color and texture without making it look unnatural or shiny, which is exactly what I wanted. The long-lasting protection is another huge bonus—I’m confident that my property is now better shielded against the elements for years to come. Overall, I am extremely satisfied with Raincheck Brick and Stone Waterproofer. It's a reliable, high-performance product that delivers exactly what it promises. If you're looking for a waterproofer that really works and is easy to use, I highly recommend this product. It’s definitely worth the investment!

I bought two of these to seal my internal garage wall (about four brick courses that are below damp proof membrane) and the concrete garage floor. My main goal was to reduce the amount of dust on the garage floor from the concrete and reduce the brick dust from the brick courses below damp proof layer as they are 400 year old bricks and mortar and very dusty! I prepped the floor and wall best I could with brushing, hoovering and mopping it all down then letting it dry 24 hours. Applied this sealant on wall and first so run off went onto floor. I used a weed sprayer to apply the sealant and it was so quick to apply. The spray worked particularly well on the dusty old bricks and sealed the dust in too. I then went on to seal the garage floor in sections so that I could move things around and let sections dry. The spray worked well on the garage floor but with my floor being a mixture of different concrete bases some areas soaked the spray in sooner than others. If drying (like I did) during the winter time I would say to allow at least 2 days for it to dry out and to ventilate it as often as possible. My goal from sealing the garage floor and internal wall was mainly to reduce dust so I could work out in my gym and not give myself a lung condition! I believe this has done the job so far (one week so far). Not sure how hard wearing it will be on the floor but it is not meant for floors really. It was good value for money, sprayed on really easily, and for the time being has done what I set out to do. If I was going to do this project again, I would probably use a garage floor paint instead as many of my different substrates on the garage floor have come up slightly different colours now having sealed them - not that I really care about that as it is only the garage.

I bought this to waterproof the exterior brick walls of my house after noticing a few areas starting to get a bit damp. I applied it using a paint sprayer and it went on really easily. The consistency is a bit like watered-down PVA, but without the stickiness, and it sprayed evenly with no issues. Its white coloured when wet and applied but will dry transparent, thickness is like watery milk. It soaked into the brick nicely and didn’t change the appearance at all, which is exactly what I wanted. Three to four months on, the walls are still beading water really well, so it’s clearly doing its job. That alone has given me a lot of confidence in the product. I did consider using a brick waterproofing cream, which I’m sure is probably superior, but it was close to ten times the price. For the cost, this has done the job perfectly, and I was happy enough with the results that I bought a second container so I can reapply in a year or two if needed. The quality is very good and the value for money is excellent for treating a larger area.

Great product. Easy to use.

Works great

Easy to apply, gave it 2 coats. Excellent results. Only drawback is its a nightmare to pour. Needs a longer pour spout or use a funnel.

Easy to apply but not as good as other brands. Good price

I used Raincheck Water Seal on my very old house to help prevent damp and mould rather than having to strip things back inside. It was easy to apply, completely clear, and breathable — perfect for preserving the look of the old brick and stonework. After application, rain just beads off the surface! I’m really impressed so far. We’ve just applied it, so we’ll see the full results after winter, but it’s already looking promising. Great product for heritage homes or anyone wanting to protect their walls without changing the appearance. Highly recommended!