weber seal bitum

Product formerly named: formerly Jointseal.BIT

Black Asphaltic Mastic Sealant weber seal bitum is a cold-applied, black, rubber-bitumen plastic mastic, applicable at all room temperatures.

Surface of application

Ceiling, Wall, Floor, Roof

Available packaging

Lebanon Syria Jordan KSA UAE Qatar Kuwait Oman

Strips of 15mm Diameter and 50 cm length
Strips of 20mm Diameter and 50 cm length
Strips of 25mm Diameter and 50 cm length

Documentation and brochures

To know before applying

  • The substrate must be completely free from dust and loose or badly adhered particles.
  • All remains or impregnation of grease or other non-adherent products must be removed.
  • Normally no priming is required.
  • Prior to application, remove the protective film using cold water

For more information please refer to the technical data sheet of the product

Features and benefits

  • Easy cold application
  • Excellent water resistance
  • Fully waterproof
  • High flexibility
  • Perfect adhesion to concrete 


  • The joint must have dimensions suitable for plastic mastics, maintaining the correct proportion between its width and depth.

This product fits for these following projects