Product information

tesa ® 4378 Easy Cover Auto

3 in 1 - Car body masking solution for large areas

Product description

tesa ® 4378 Easy Cover® Auto is a 3-in-1 system for masking large areas for car body repair. The convenient system is comprised of the slightly crepe paper masking tape tesa ® 4309 with natural rubber adhesive, a masking paper border and HDPE masking film, working together to ensure optimal protection. tesa ® 4309 is a conformable and flexible paper masking tape. It is suitable for spray-painting applications, with subsequent oven-drying up to a temperature of 120 °C. The additional masking paper  border provides paint absorption at the most critical area close to the repair spot. The HDPE film serves for the protection against spray particles. It is specifically treated for better paint adherence and clings to the car body. tesa ® 4378 Easy Cover® Auto allows a single person to cover large areas easily and quickly as well as reducing the logistic complexity.

Main applications

  • Professional masking during  spray painting work for industrial applications and car body repair
  • Ideal for masking large areas easily and quickly
  • Protection against spray particles
  • Reduction of logistic complexity

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Technical properties

Backing material

slightly-creped paper

Total thickness

170 µm

Thickness of masking coverage

10 µm

Type of adhesive

natural rubber

Adhesion to steel

3.5 N/cm

Elongation at break

12 %

Tensile strength

47 N/cm

Temperature resistance

120 °C

Material of masking coverage


Weight of addtl. protection paper

37 g/m²

Rating properties

Easy to remove


Paint anchorage


Sharp colour edge


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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