Isover Sound Deadening Floor Slab provides impact sound deadening performance in Type 3 timber base separating floors, as described in Building Regulations Part E.

Isover Sound Deadening Floor Slab provides impact sound deadening performance in Type 3 timber base separating floors, as described in Building Regulations Part E (England and Wales) and Section 5 (Scotland).


View NBSPlus product specification by NBS
Sound Deadening Floor Slab
Sound Deadening Floor Slab
Sound Deadening Floor Slab
Sound Deadening Floor SlabSound Deadening Floor SlabSound Deadening Floor Slab

Key Benefits

  • Excellent acoustic properties for impact sound insulation - Helps to meet the requirements of Part E Acoustic Building Regulations 2003 (England & Wales) and Section 5 (Scotland).
  • High quality stone mineral wool - Easy to handle, cut and install.
  • Robust flexible material properties - Resilient to damage in storage, during transportation and on site during installation.
  • Non-combustible - Isover glass mineral wool insulation has an A1 Euroclass fire rating – the best attainable.
  • Protected planet - Zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP) of less than 5.

Variants Details

Product details

Order Code Thickness Width (mm) Length Item type Items per pack Pack area (m2) Pallet area (m2) Product Name Units per pallet
5200013704 25 625 1200 Batts 8 6 108 Sound Deadening Floor Slab - 25mm 18