3M(TM) Weatherban(TM) Ribbon Sealant PF NS 5423 Black, 3/4 in x 1/16 in x 100 ft, 10 per case 1/16 inch thick, non-reinforced thinner rubber sealant in ribbon form. Product similar to 3M(TM) Weatherban(TM) Sealant Tape PF-5422 Sealant Tape. NOTE: Make-To-Order with a lead time of 14 days. A supported synthetic rubber sealant in ribbon form. It offers a watertight, gasket-like seal in many applications such as bedding glass, around window and door frames, etc. It also can be used as a metal seam sealer in overlap seams, building panels, rai