Product description



  • 1 hour fire rating
  • Reduces flanking noise
  • Includes integral DPC
  • Thermal conductivity: λ = 0.035W/m.K


SIDERISE fire & acoustic closer for party walls provides up to 1 hour fire resistance and reduces flanking sound transmission at the junction of compartment and external walls.

Meeting the requirements of Approved Document E (2003 edition) of the Building Regulations, the insulation is supplied in standard lengths and can be readily cut as required.

Note: This product was previously known as Lamatherm FAC fire & acoustic cavity closer / fire & acoustic party wall closer.

Brochures, press releases, catalogues, technical data sheets