It's bitumen emulsion for priming, waterproofing concrete roofs. Used for master binder for industrial floors. You can apply enlven when cold and it's stable. General waterproofing for cement, roofing felt, masticasphalt, slate tiles,, lead, copper,, zinc, corrugated ironsheets as water and moisture barrier. You dilute using water.thicker, good quality. Easy to apply and use...