tesa® 4641

Permanent surface repairing tape with butyl adhesive

Product description

tesa® 4641 Surface Repair Tape provides an air and watertight seal, permanently repairing leaks on a wide range of roof substrates, including TPO, EPDM, and metal. Because it is very conformable, the tape is well-suited for gutter repairing and piping or around curved surfaces.

tesa® 4641 Surface Repair Tape is available in black and white colors. An aggressive adhesive system creates a permanent repair on virtually all roofing materials, and effectively stops water or air penetration on many other surfaces including cement, plywood, OSB, and metal.

  • VOC-free
  • All weather application
  • Waterproof
  • Stable from -70°F to 200°F
  • UV-resistant
  • Conformable to shapes and easy to apply to any clean and dry surface

Application Fields

The tape is suitable for building and RV, truck and trailer roof repair, and for reinforcement of seams, curbs, vents, chimneys, skylights, AC systems, antennas, or any roof penetrating devices.

Product Construction

Type of adhesive butyl rubber
Total thickness 26 mils
660.4 µm
Thickness of liner 2.2 mils
56 µm

Properties / Performance Values

Elongation at break 700 %
Abrasion resistance good
Tensile strength 18.73 lbs/in
32.8 N/cm
Water resistance very good

Adhesion to Values

Adhesion to steel 152.58 oz/in
16.7 N/cm

Additional Info

The standard roll dimensions are 4", 6" and 12" x 50'.
tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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