Immediately with mineral spirits.
10-15 sq ft per gallon per coat. Will vary considerably depending on the type of repairs made. 6-24 linear ft per cartridge depending on joint size.
Allow 24 hours between coats. Cures in
Metal, asphalt, smooth BUR, modified bitumen, rolled roofing, asphalt/fiberglass shingles, chimney & pipe flashings. Do NOT use on shingle-ply membranes.