Cold applied rubberized bitumen mastic for low movement joints & gap filling. OXIMAST BI is ideally suited for sealing and filling gaps on roofs. Pointing horizontal chases for waterproofing membranes and felts. Sealing around roof /wet services pipes. Pointing between brickwork and roof flashings. Sealing cracks in asphalt and concrete pavements. Filling horizontal joints in concrete and asphalt where movements are not expected.