Verified by manufacturer 2 months ago
Indoor Air Comfort – Eurofins
Certificate type
A rock mineral wool insulation slab with acoustic insulation properties designed to meet the acoustic requirements in floating floors.
Rocksilk® Acoustic Floor Slab is designed for use as a resilient layer in the acoustic insulation of separating floors and meets the requirement in Approved Document E (England and Wales) for a resilient layer under a floating platform - mineral wool, 25 mm thick, nominal density between 60 and 140 kg/m³.
Knauf Insulation Rocksilk® Acoustic Floor Slab is a rock mineral wool insulation slab with acoustic insulation properties designed to meet the acoustic requirements in floating floors. It is non-combustible, achieving the best possible Euroclass A1 reaction to fire classification and is manufactured using Knauf Insulation's unique plant-based binder, ECOSE® Technology.
Color | Brown  | 
Finish | Unfinished  | 
Material | Rock mineral wool  | 
Shape | Rectangle Guidance for specification option: Slab.  | 
Length | 1000 mm  | 
Width | 600 mm  | 
Height | 25 mm  | 
Uniclass | |
CAWS | K11/27 Acoustic separating floor K11/275 Acoustic separating floor system K11/215 Plywood floating floor K11/295 Floating floor system K11/235 Oriented strand board floating floor K11/245 Cement bonded particleboard floating floor K11/225 Particleboard floating floor K11/25 Particleboard floating floor K11/22 Plywood floating floor  | 
GTIN/EAN | 5012061995930  | 
Product range | 
Classification data | |
Standard | To BS EN 13162.  | 
Third-party certification | Eurofins Gold. Euroclass A1 Reaction to Fire Classification. CE Marking. EPD (EN 15804+A2). Declare Red List Free EUCEB.  | 
Form | Slab.  | 
Facing | Unfaced.  | 
Thickness (minimum) | 25 mm.  | 
Width (nominal) | 600 mm.  | 
Thermal conductivity (maximum) | 0.034 W/m·K.  | 
Fire performance | Euroclass A1 to BS EN 13501-1.  | 
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021  | Up to 35%.  | 
Vapour resistivity | 5.00 MN·s/g·m.  | 
Water absorption | <1 kg/m² tested in accordance with BS EN 1609. Manufacturer guidanceShort term water absorption, WS.  | 
Green guide rating | B.  | 
Indoor air quality | Eurofins Gold achieved.  | 
VOC emissions | Products manufactured with ECOSE® Technology generate low levels of dust, VOCs and contain no added formaldehyde or phenol.  | 
Durability | Odourless, rot-proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria. The product will have a life equivalent to that of the wall structure in which it is incorporated.  | 
Thermal resistance | 0.69 m²K/W.  | 
Contains Red List materials | No  | 
Country of material origin | United Kingdom  | 
Country of product manufacture | United Kingdom  | 
Material | Rock mineral wool  | 
Recyclability | Recyclable Guidance for specification option: Mineral wool products from Knauf Insulation can be and in some cases are partly recycled at their end of-life, please contact supplier for more information.  | 
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021  | 35 %  | 
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version | 
|---|---|---|
| - | 1  | |
| - | 1  | 
Knauf Insulation - Acoustic Roll (Ready-cut) - Acoustic Insulation
Knauf Insulation - DriTherm® Cavity Slab 32 - Cavity Wall Insulation
Knauf Insulation - DriTherm® Cavity Slab 34 - Cavity Wall Insulation
Knauf Insulation - DriTherm® Cavity Slab 37 - Cavity Wall Insulation
Knauf Insulation - FactoryClad Roll 32 (Uncut) - Built-Up Metal Roof and Wall Insulation
Knauf Insulation - FactoryClad Roll 35 (Uncut) - Built-up Metal Roof And Wall Insulation - Glass Mineral Wool Roll
Knauf Insulation - FactoryClad Roll 40 (Uncut) - Built-Up Metal Wall and Roof Insulation
Knauf Insulation - FrameTherm® Roll 32 (Ready-cut) - Timber Frame Insulation
Knauf Insulation - FrameTherm® Roll 35 (Ready-cut) - Timber Frame Insulation
Knauf Insulation - FrameTherm® Roll 40 (Ready-cut) - Timber Frame Insulation