Knauf Insulation - Rocksilk® Flexible Slab - Multi-Application Insulation
Verified by manufacturer 3 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.
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| 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