Dehco Colorimetrics Gray Putty Tape/Butyl Tape 1/8" x 1" x 30' (4-Pack)
1/8" x 1" x 30' Gray putty / butyl tape. Commonly used behind the flange on windows and doors. Excellent sealing properties. Adheres to many products including metal and glass. Non-hardening material allows it to conform and stick to the items being sealed. Long shelf life of a year of more.