Dicor Butyl Tape – Ideal for sealing uniquely shaped joints. Installs quickly, without gaps. Apply along unusual patterns. Because the sealant is on a continuous roll, installer can work fast and be virtually assured that there are no skips or runs in the seal. Priced each. Butyl Tape Only, 1/8 Inch x 3/4 Inch x 30 Feet, Each.