Knauf Insulation - Rocksilk® Flat Roof Slab Extra - Flat Roof Insulation
Verified by manufacturer 2 months ago
Flat Roof Slab Extra 95 mm
Flat Roof Slab Extra 95 mm
A rock mineral wool insulation slab with the highest mechanical performance in the range, developed for flat roof insulation in mechanically-fixed applications onto all types of roof deck.
Application
Rocksilk® Flat Roof Slabs are used for the thermal insulation of flat roofs. Rocksilk® Flat Roof Slabs are suitable for use under all kinds of single ply membrane, hot applied bitumen systems and mastic asphalt and are suitable for maintenance foot traffic only. Rocksilk® Flat Roof Slabs are suitable for use as an upstand board in warm roof applications when installed with the fixings and waterproof layer as detailed by the membrane manufacturer
Description
Knauf Insulation Rocksilk® Flat Roof Slab Extra is a rock mineral wool insulation slab with the highest mechanical performance in the range, developed for flat roof insulation in mechanically-fixed applications onto all types of roof deck. It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's Krimpact® Technology.
General information
Color | Brown |
Finish | Unfinished |
Material | Rock mineral wool |
Shape | Rectangle Guidance for specification option: Slab. |
Length | 1200 mm |
Width | 1000 mm |
Height | 95 mm 105 mm 125 mm 150 mm |
Uniclass | |
CAWS | J42/425 Mineral wool (MW) insulation J42/27 Thermal insulation J42/23 Mineral wool insulation boards |
Product range |
Specification data - Mineral wool insulation
Standard | To BS EN 13162. |
Third-party certification | BBA Certificate 08_4526 Rocksilk Krimpact Flat Roof Slab. |
Form | Slab. |
Facing | Unfaced. |
Thickness (minimum) | 95 mm. |
Width (nominal) | 1000 mm. |
Thermal conductivity (maximum) | 0.039 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. |
Water absorption | <1 kg/m² tested in accordance with BS EN 1609. Manufacturer guidanceShort term water absorption, WS. |
Dimensional stability | Dimensionally Stable. Tested in accordance with BS EN 1604. |
Compressive strength (mean value) | 90 kPa. |
Suitable substrates | Concrete, Metal, Timber, Plywood, OSB. Guidance for specification option: Refer to manufacturer for fixing details. |
Acoustic performance | Rainfall 37–45.6 LiA dB. Guidance for specification option: Refer to manufacturer for guidance. |
FM approved | Approval Identification: 0003063483/ RR229016. |
Environmental Product Declaration (EPD) | EPD available. In accordance with BS EN 15804+A2. |
Green guide rating | C. |
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 | 2.38 m²K/W. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 26.9 kg CO₂ eq/kg Self declared Guidance for specification option: 1 m² of Rock Mineral Wool Rocksilk® Flat Roof Slab Extra with a thickness of 105 mm with R value of 2.69 m2K/W. |
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 |
Literature
Knauf Insulation Rocksilk® Flat Roof Slabs - Product Datasheet
Rock Mineral Wool - BREEAM Helpsheet
Rock Mineral Wool with ECOSE® Technology - Safety Datasheet
Knauf Insulation Solutions Guide
Knauf Insulation Rocksilk® Flat Roof Slab - BBA Certificate 08/4526