MG2 - Cast-in fire resistant collars.

Wide range of cast-in collar with a fire resistance up to 180'.


  • Only 1 collar is required per fire compartment wall or floor
  • Water- and frost-resistant
  • Aesthetic solution
  • No space is lost at the wall crossing (built-in installation)
  • Easy to install
  • Standard tools and sealing
  • Installation U/C, C/C (uncapped-capped / capped-capped).


  • Minimal distance allowed
  • Extensive field of application
  • Maintenance-free
  • Sealing with fire resistant stone wool boards allowed, also for asymmetric opening
  • Suitable for built-in installation
  • Suitable for PVC-U pipes according to EN 1329-1, EN 1453-1 or EN 1452-1 and for PVC-C pipes according to EN 1566-1
  • Suitable for PE-HD pipes according to EN 1519-1, EN 12666-1 or EN 12201-2 and for ABS pipes according to EN 1455-1


  1. Collar
  2. Intumescent strips
  3. Steel housing
  4. Fastener