Product information

tesa® 4438

Product description

The combination of the impregnated backing material with the high UV resistance facilitates multiple working processes in only one covering process.

Main applications

This tape is especially suited for all renovation works, particularly for outdoor painting, fasade renovation as well as for heat protection. tesa® 4438 is especially suitable for the sticking on water diluted acrylic paints. It can be used as a protection tape during transport or storage of high value surfaces. tesa® 4438 is suitable for short term masking during wave soldering and other high temperature processes as well.




Technical properties

Backing material

flat paper

Total thickness

167 µm

Type of adhesive


Adhesion to steel

4 N/cm

Elongation at break

5 %

Tensile strength

33 N/cm


12 weeks

Rating properties

Hand tearability


Suitable for sensitive surfaces


Suitable for rough surfaces


Paint anchorage


Sharp colour edge




Additional Info

The application of an adhesive tape on weathered surfaces may lead to residues during the de-masking. Therefore we strongly recommend a test application before.

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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