Product description



  • Offering 51dB+ (Rw)
  • Firesafe insulation
  • Independently tested
  • Fire resistance up to 1 hour


SIDERISE acoustic void barriers for facades are available in a number of grades and thicknesses offering a wide range of sound reduction values.

The insulation product is also available with a choice of optional high mass central membranes to achieve substantially higher SRI values.

Some products from the SIDERISE acoustic void barriers range have certified fire resistance permitting their dual use as ceiling or floor void fire barriers. The product is extremely simple to fix and can be easily cut to accommodate service penetrations.

Note: This product was previously known as Lamaphon CVB series acoustic void barriers.