Smartseal Roof Tile Sealer - Long-lasting Protection for Concrete, Slate & Clay Roof Tiles - Solvent-Free Roofs Sealant. 10-year Water Repellent Barrier. Helps Prevent Moss and Algae (5 Litre)

Make sure you order more than you think you need. Easy to apply using garden sprayer. I used spear and Jackson 5 litre with extra long lance. Only just applied so have to wait to see how effective it is.

Delivered very quickly, great seller!, yet to use, but product looks like it’s good quality. Thanks

Fits well in my van, not long term tested yet

This product was very good and we didn't need as much as order it was very easier to use and very good dose the job

This product is easy and quick to use

Use to make my bid bath wterp put 3 coats on with plenty of drying time in between but didn't OK nd there was only hairline cack in dsh! Glad I l got a sample ot!

Does exactly what it says it will do.

Perfect