Knauf Insulation - Rocksilk® Flexible Slab - Multi-Application Insulation
Verified by manufacturer 2 months ago
Flexible Slab 40 mm
Flexible Slab 40 mm
Indoor Air Comfort – Eurofins
Certificate type
A rock mineral wool insulation slab, designed for use in multiple applications providing thermal and acoustic insulation as well as the fire protection of loft conversion floors.
Application
Rocksilk® Flexible Slab is typically used for the thermal and acoustic insulation of a wide variety of constructions such as timber and metal stud partitions, timber frame walls and suspended timber floors. 100 mm Rocksilk® Flexible Slab has been tested to provide up 60 minutes fire protection when a floor is upgraded to a fire resistant floor in line with Approved Document B, for example when a unused loft is converted into habitable accommodation during a loft conversion.
Description
Knauf Insulation Rocksilk® Flexible Slab is a rock mineral wool insulation slab, designed for use in multiple applications providing thermal and acoustic insulation as well as the fire protection of loft conversion floors. It is non-combustible, achieving the best possible Euroclass A1 reaction to fire classification and is manufactured using Knauf Insulation's unique bio-based binder, ECOSE® Technology.
General information
Color | Brown |
Finish | Unfinished |
Material | Rock mineral wool |
Shape | Rectangle Guidance for specification option: Slab. |
Length | 1200 mm |
Width | 600 mm |
Height | 40 mm 50 mm 60 mm 70 mm 90 mm |
Uniclass | |
CAWS | K11/27 Acoustic separating floor system K11/275 Acoustic separating floor system B11/240 Thermal insulation B13/241 Thermal insulation K10/125 Metal stud partition system K10/155 Wall lining system (metal studs) K10/215 Suspended ceiling system K10/220 Proprietary suspended ceiling system K10/145 Wall lining system (metal studs) K40/285 Insulation K45/425 Insulation P10/240 Insulation fitted between floor joists P10/220 Sound insulation within timber framed separating wall P10/250 Insulation supported between floor joists K10/15 Lining on timber K10/85 mineral wool insulation K40/55 Insulation K45/73 Installing insulation P10/50 Insulation supported between joists P10/45 Insulation laid between floor joists K10/35 Wall lining system (metal framing) K45/50 Insulation |
Product range |
Specification data - Mineral wool insulation
Standard | To BS EN 13162. |
Third-party certification | Eurofins Gold. |
Form | Slab. |
Facing | Unfaced. |
Thickness (minimum) | 40 mm. |
Width (nominal) | 600 mm. |
Thermal conductivity (maximum) | 0.035–0.037 W/m·K. |
Fire performance | Euroclass A1 to BS EN 13501-1. |
Recycled content | Up to 35%. |
Vapour resistivity | 5.00 MN·s/g·m. |
Environmental Product Declaration (EPD) | EPD available. In accordance with BS EN 15804+A2 |
Green guide rating | A+. |
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. |
U-value | Manufacturer guidanceMethod: calculations should be created using 2D or 3D modelling programs which comply with the methodologies detailed in BS EN ISO 10211. |
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 | 1.05 m²K/W. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.62 kg CO₂ eq/kg Self declared Guidance for specification option: 1 m² of Rock Mineral Wool Rocksilk® Flexible Slab with a thickness of 60 mm. |
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 % |
BIM objects
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 |
|---|---|---|
 IFC | - | 1 |
 Revit | - | 1 |
Third party certifications
Indoor Air Comfort – Eurofins
Rock Mineral Wool with ECOSE® Technology - Eurofins Gold Certificate
Literature
Knauf Insulation Rocksilk® Flexible Slab - Product Datasheet
Rock Mineral Wool with ECOSE® Technology - Safety Datasheet
Rock Mineral Wool - BREEAM Helpsheet
Knauf Insulation Solutions Guide
Case studies
Unity Square, Liverpool
Birmingham City University
The Landmark Offices, Manchester