Knauf Insulation » Products » Rocksilk Slabs » Rocksilk Floor Slabs » Rocksilk Acoustic Floor Slabs

Rocksilk Acoustic Floor Slabs

For use as a resilient layer in the acoustic insulation of separating floors

Description

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are dense, compression resistant, non-combustible, rock mineral wool slabs that have been manufactured specifically for use as a resilient layer beneath chipboard and floor screeds.

Application

Rocksilk Acoustic Floor Slab is for use as a resilient layer in the acoustic insulation of separating floors.

Rocksilk Acoustic Floor Slab meets the requirement in Approved Document E (England and Wales) for a resilient layer under a floating platform to be mineral wool, 25mm thick with a nominal density between 60 and 100 kg/m3.

Rocksilk Acoustic Floor Slab also provides a weighted reduction in impact sound pressure level ( Lw) of at least 17 dB when measured in accordance with Appendix 5 in Section 5 of the Scottish Technical Handbook.

Rocksilk Acoustic Floor Slab Plus is an extra high density slab, with a nominal demsity of 140 kg/m3, for the acoustic insulation of separating floors to meet the requirements of a floating floor treatment in the Robust Details (England and Wales E-FC-1, E-FC-2 and E-FS-1).

Standards

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are manufactured from non-combustible, inorganic, rock wool, defined as mineral wool in BS 3533: 1981, manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000.

Rocksilk Acoustic Floor Slab
Performance

Acoustic Peformance

The high density of mineral wool in Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus offer excellent acoustic absorption and impact resistance.

Fire Performance

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are classified as Euroclass A1 to BS EN ISO 13501-1.

Benefits 
  • High compressive resistance
  • Excellent acoustic and thermal properties
  • Easy to install
Downloads

Durability

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are rot proof, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria, and is odourless and non-hygroscopic. They are non-wicking when tested in accordance with BS 2972:1989 Section 12.

Environmental

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are free from CFCs, HCFCs and any other material with ozone depletion potential in their manufacture and content and represent no known threat to the environment.

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab’s manufacture has a low impact on the environment and is classified as Zero ODP and Zero GWP.

Moisture Resistance

When exposed to 90% relative humidity and 20°C Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus absorb less than 0.004% of moisture.

Handling and Storage

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are easy to handle and install, being lightweight and easily cut to size.

Rocksilk Acoustic Floor Slab and Rocksilk Acoustic Floor Slab Plus are supplied in weatherproof Supakube packaging, on non-returnable wooden pallets. This makes them very easy to unload and ideal for outside storage, which frees up internal stock space.

Product Data

Rocksilk Acoustic Floor Slab

Thickness Length (mm) Width (mm) Slabs per Pack Area per Pack (m2)
25 900 600 14 7.56

All dimensions are nominal

Rocksilk Acoustic Floor Slab Plus

Thickness Length (mm) Width (mm) Slabs per Pack Area per Pack (m2)
50 900 600 4 2.16
40 900 600 5 2.70
30 900 600 7 3.78
25 900 600 8 4.32

All dimensions are nominal

Website Options

Links To Other Country Sites

Related Applications

Floors - Separating
  Timber Floor With New Floating Platform
Floors - Separating
  Concrete Separating Floor

International