Warm, soapy water
It is recommended to prime the roof substrate with Kool Seal Elastomeric Base Coat Gray at 50-100 sq ft per gallon followed by Kool Seal Elastomeric Finish Coat. at 50-100 sq ft per gallon per coat. Rough/porous surfaces will require additional coating. Two coats recommended.
Exposure to rain or heavy dew: 4-6 hours. Between coats and before foot traffic: 24 hours minimum
Metal single ply, smooth BUR, Modified Bitumen, polyurethane foam, concrete, EPDM, Hypalon, exiting asphaltic & elastomeric roof coatings: Not for use on roof shingles