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

Main applications

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.

Technical properties

Elongation at break

700 %

Type of adhesive

butyl rubber

Tensile strength

32.8 N/cm

Total thickness

660.4 µm

Thickness of liner

56 µm

Adhesion to steel

16.7 N/cm

Rating properties

Abrasion resistance


Water resistance


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.

Related products