Combband 300

Combband 300


Combband 300, the specially impregnated, pre-compressed joint sealing tape, has many areas of application in modern building construction due to its characteristics, where requirements for reliable joint solutions are even more significant today than a few years ago. 

The product consists of a vapour diffusion-open material, the risk of wood rot and of fungal attack in adjoining materials is thereby substantially reduced. 

In its compressed state Combband 300 seals reliably against sound, driving rain, dust, draft as well as heat loss.

Customer benefits

  • Vapour permeable
  • Tight against driving rain up to 600 Pa
  • Thermally insulating
  • Meets BG2 according to DIN 18 542
  • Flame retardant building material according to DIN 4102

Field of application

  • Sealant between window/door frames and brick-work
  • Connecting joints between window sill and brick-work
  • Sealant of partition wall components
  • Sealant of coupling profiles
  • Joints of skylights
  • Sealant within the roof area
  • Sound and oscillation damping in the ventilation and climatic area
  • Sealant in the automobile industry
  • As sealant material with window assembly
  • Available in the dimensions 6 mm x 5,6 m and 10 mm x 3,3 m as Combband 300 Plus with enlarged expansion

    Product Information

    Combband 300 corresponds to building materials load classification BG 2 and was especially developed for joint constructions in lower buildings up to a height of 20 m. Furthermore, Combband 300 is a heavy inflammable building product according to the German building product standard DIN 4102 – Part 1. It is strongly self-adhesive on one side so as to facilitate mounting, and extensively workable independent of temperature.

    Open-cellular polyurethane foam, modified with an impregnate on acrylate basis.

    Property Data Notes
    Fire behaviour building material class B1 (flame retardant) ac. to DIN 4102
    Temperature resistance - 30 °C to + 90 °C, + 120 °C for short periods


    Technical Informationt Combband® 300 [PDF - 102 kB]

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