... Range1. Fire blockseal plumbing venting systems,seal plumbing penetrations,seal concealed electrical penetrations,seal recessed light fixtures,seal duct work penetrations between floors2. Spray ... frames,seal door frames,seal skylights4. Sealantseal attic hatchways,seal exterior plumbing penetrations,seal gas line penetrations seal exhaust fans,seal electrical outlets,seal sill plates,seal dryer ...