This Butyl Rubber Adhesive tape
a self bonding, caulking material, which is widely used to seal joints in projects

Butyl Tape

Introduction:

This pliable black butyl rubber material is ideal for building up seal collars and filling cavities in splice cases, or sealing bond clamps, ground conductors and the hardware used in cable splicing.

Adhesive: Butyl rubber has excellent adhesion to most materials, such as: all of metal, wood, glass, zinc, concrete, etc.Heat & Cold resistance: Because of heat-resistance and cold-resistance, Butyl rubber can be used under any  temperature conditions.Excellent Dielectric insulation Anti-corrosion: Butyl rubber prevents the surface to corrode from moisture and steam. Easy application for high technical use. Excellent resistance against UV rays: Laminated aluminum prevents to loose his characteristics when exposed to direct sunlight.

Application:
Seal and repair guttering, down pipes and corrugated sheets
Seal and repair carport and lean to roofing joints to main wall.
Seal around chimneys, air vents, skylights, window sills and sliding doors.
Seal seam leaks in caravans, cars and trucks.
Repair water tanks or troughs.
Seal garages, tool sheds, outhouse and glass houses