Fabric-backed seam sealing tape for sealing seams on metal roofs before coating. Stays flexible during applications. Immediate sealing on contact. Full bond within 24 hours. Must be followed with two coats of Elastomeric Coating. Contains no asbestos, CFC or PCB. Installation: All rust must be removed and affected areas coated with Dicor Rust Inhibitive. Primer (#58354) prior to applying tape over seams. Open seams or cracks must be repaired prior to applying tape over seams. Contains no asbestos, CFC, or PCB Cures completely in 24 hours | Coating-Ready Cover Tape, 50'L x 4"W