Fire stopping brick

PROMASTOP®-B is a permanently elastic intumescent brick, which is used to prevent spread smoke.

Fields of application

PROMASTOP®-B is a fire stopping brick-shaped seal for walls and floors. It is designed to be used with single cables, cable bundles or combustible and non-combustible pipes to prevent the spread of smoke, fire and heat. In addition the fire stopping brick can be installed into rigid walls as a joint component.


  • Permanently elastic
  • Quick and easy, dust-free installation
  • Easy retro-fitting of cables and plastic pipes