ICT 152-KIT5 5 gal URE-SEAL H2O Mid-Gloss Urethane Sealer Clear is a two-part, environmentally-friendly, water-reducible crystal clear urethane. It is a high-performance clear coating that can be used inside or out to protect and enhance properly prepared concrete and concrete hardscapes surfaces for years of service. Ure-Seal H₂O cleans up with sodium bicarbonate and water.