Did you know that your Internet Explorer is out of date?

To get the best possible experience using our site we recommend that you upgrade to a modern web browser. To download a newer web browser click on the Upgrade button.

Belzona 4141 (Magma-Build)

Belzona 4141FR

Fire-Resistant Concrete Repair System

Belzona 4141FR is a fire-resistant, lightweight repair composite for the rebuilding and protection of damaged vertical and overhead concrete surfaces.

This high-build system simplifies application whilst providing durable results, both thanks to its mechanical properties and the fact that it is fire resistant. It will not propagate flames and releases little to no smoke.

Additionally, as a solvent-free material, it is ideal for both internal and external masonry. It will not alter in appearance as it experiences no shrinkage during cure.

Key benefits:

  • Resistant to fire (Euroclass classification of B s1 d0)
  • Lightweight material can be applied onto vertical and overhead concrete surfaces
  • Can be applied indoors without any vapours emitting
  • Solvent-free system experiences no shrinkage, expansion or distortion upon curing

Applications for Belzona 4141FR:

  • High rise buildings
  • Tunnels
  • Underground car parking structures/parking lots
  • Metro/subway systems
  • Stations


Product documents:

You are currently viewing documents in

Related products:

Related applications:

Related case studies: