Choose the sealant that will stick around before and after installation.

High quality adhesive
Joins metal to metal
Seals around windows, doors, more
Roll won't telescope from heat before installation
Adhesive really holds hot metal panels

Versatile
Mastix is a trimmable end lap sealing tape that joins metal to metal, and seals around windows, doors, roof vents, stacks, access doors and other penetration points.

Prevents product telecoping.
Mastix superior adhesive keeps the product roll intact and non-telescoping, even on hot days.

Keeps metal roofing panel in place.
Apply Mastix to a hot metal roofing panel. It will stay put, while you place the panel. No melting, oozing adhesive allowing panels to slide and making your installation harder.

Non-staining, permanently flexible.
Mastix won't stain, and its stays flexible, making it a perfect adhesive tape for almost every metal roof application.