Bishop Tape Seal Mastic 6.5 x 10 FT Tacky Black Flexible Large Pitch Pad PV2665
This sealant is useful for many different jobs. Tacky black flexible mastic. In other words, it's good stuff. Sure Seal Insulating Mastic Seal Tape. Handy would be the word as it has many uses., more like a flexible caulking on a roll.