SIDERISE TW - Firestops for Tops of Walls

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.

  • 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 and durable


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.