The Block & Paving Sealer from Everbuild is a block paving seal & joint sand stabilizer, based on a clear solvent based acrylic coating designed to bind jointing sand & form a durable seal over block paving & other mineral pavers/flags. It penetrates deeply into pavers then cures it by solvent evaporation to give a long lasting seal which is resistant to sunlight, water, oil an petrol & also contains a fungicide to resist the growth of fungal, mold, weeds & is also damp resistant & covers 5-7 square meters per every liter used.