Everbuild 405 path patio seal everbuild pat5 path patio seal is a solvent free acrylic coating used to seal and protect patios paths natural stone concrete and block paving from the effects of sunlight water oil petrol and fungal moss growth the milky solution dries to a clear hard wearing water repellent film giving a low sheen slip resistant finish everbuild pat5 405 path patio seal 5 litre