GLEANBlack Stone Restorer & Sealer | BLACK | 1 Litre | Impregnating Patio Sealer Restores Colour Of Faded Black Limestone, Slate, Marble & Concrete | Interior & Exterior Sealant

Amazing! I used this to restore a couple of gargoyle statues in my garden. They look better than new, I’m very happy. It was incredibly easy to use (brushed on a thin layer with a paintbrush) and it dried quickly too. Photos show before and after just one coat.

As it’s water based, it’s very thin, and I’m sure might absorb into freshly quarried stone, but on mine, it’s simply ran off the stone. Where I did manage to get it to rest, it evaporated and made no difference to the tone of the stone. Just naff really…The photo shows which stones I coated, with some wet patches still visible but these even disappear when dried.

Improved the colour of my slate tiles. Took a while to dry. Did 4 coats. Pleased with result. Although have noticed if water splashes on the ties and its wiped off, the black comes off too. Hope this is helpful.

Easy to apply but best using a ragging technique rather than a brush. A bit on the pricey side but worth it.

Took 4 coats. Totally panicked after the first 2 coats as was so streaky and patchy. Bought wo more bottles and did 2 more coats. Looks great finally. I tried applying with a small roller, a sponge and a large roller. The large roller worked best but had to really concentrate around the grout. We have had heavy rain since and my worry about it streaking was put rest. I would recommend but be patient

I used three coats of this on our limestone fireplace hearth stones. They've definitely made them look darker and hopefully also protected them.You need to be careful with the secondary Lid on this bottle. When I went to do the second coat, I couldn't get it out.. I tried squeezing it only for the bottle to burst.. spewing the black liquid all over my face, clothes, the dog, the bed and floor... It wasn't a good time...

I have had the small bottle which was excellent and cover easily but the 5 litre bottle is poor it seems very watery and does not cover well .I not recommend the 5 litre to anyone looks like I will have to do 5/6 cover it's that bad.

The GLEAN Black Stone Restorer & Sealer is absolutely fantastic. It brought my faded black stone surfaces back to life, restoring the deep, rich color and giving them a beautiful finish.The application was straightforward, and the impregnating sealer has provided a durable, protective layer that repels water and stains. It’s been weeks now, and the stones still look as good as new.If you have faded black stone surfaces, this product is a must-try. It’s worth every penny for the incredible results it delivers. Highly recommended!