Spray and Leave 5 L, Paving Sealant 5 L, 2 x Long Hose Triggers Ready One Chem
One Chem - 5L Spray and Leave Ready to Use - 5L Paving Sealant and Proofer - 2 x Long Hose Trigger Spray. WATER BASED FORMULA: Paving Sealant and Proofer is a water based formula suitable for use on porous and non-porous stone surfaces.