Product information: Material: Aluminum foil coating Length: approx. 5 meters Width: approx. 5 cm Packing list: 1 * Aluminum foil butyl tape Function: Butyl sealing tape, aluminum foil coated roof repair tape. Aluminum foil material, no rubbing. Weather resistance and aging resistance. Waterproof, airtight and chemical resistant. Resistant to high temperatures and UV rays. Easy to use. The super adhesive is made of high molecular weight butyl rubber and the aluminum foil tape is a super strong tape for permanent repair. Repair Anything Aluminum foil tape is ideal for repairing large cracks, waterproofing problems, pipe leaks, roofs, pools, fuel tanks, etc. Resistant to all aluminum foil tapes are water, fire and corrosion resistant, it blocks moisture and odors, and it can also withstand extreme temperatures (-40 to 120C). Easy to install Aluminum strips are easy to use. Cut the tape, peel off the protective film, apply the adhesive and your cracks are repaired forever.