Product description



  • Up to 120 minutes fire resistance
  • Fully qualified acoustic performance
  • Integral smoke barrier
  • Can accommodate structural service movement (during normal service life and fire)
  • Cost-effective & durable


SIDERISE firestops for tops of walls provide a seal between the top of the compartment wall, partition, or fire resistant suspended ceiling, and the structural soffit.

The choice of insulation material is determined by the performance requirement in terms of fire resistance (i.e. insulation and integrity) and size of cavity.

Note: This product was previously known as Lamatherm TW-CP firestop strips and Lamatherm TW-CS fire and smoke stop strips.