Colorimetrics Gray Butyl Tape - 1/8" x 3/4" x 30' Waterproof Sealing Tape (Single Roll) - Ideal for Roofing, Windows, RV & Marine Applications

1/8" x 3/4" 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 or more.

Use for waterproofing RV's, trailers, boats etc

Gives an excellent seal behind windows and doors

Non-hardening with excellent sealing properties

Great for sealing under vents

Long shelf life of a year or more.