Knauf Insulation - Rocksilk® Allfix Flat Roof Slab - Flat roof insulation
Verified by manufacturer 4 months ago
Rocksilk® Allfix Flat Roof Slab 145 mm
Rocksilk® Allfix Flat Roof Slab 145 mm
BBA Agrément Certificate
Certificate type
Rock mineral wool insulation slab, developed for flat roof insulation in applications onto all types of roof deck, as well as a top layer in double layered systems.
Application
Rocksilk® AllFix Flat Roof Slab is used for the thermal insulation of flat roofs. The slab is suitable for use under any single ply membrane, torch-on waterproofing, hot applied bitumen systems and mastic asphalt, and is suitable for maintenance foot traffic only. Rocksilk® AllFix Flat Roof Slab is suitable for use as an upstand board in warm roof applications when faced with the fixings and waterproof layer as detailed by the membrane manufacturer. Rocksilk® AllFix Flat Roof Slab is non-combustible with a Euroclass A2-s1,d0 reaction to fire classification.
Description
Knauf Insulation Rocksilk® Allfix Flat Roof Slab is a BBA certified rock mineral wool insulation slab, developed for flat roof insulation in applications using fully-adhered or mechanically-fixed and adhered membranes onto all types of roof deck, as well as a top layer in double layered systems. It is non-combustible with a Euroclass A2-s1,d0 reaction to fire classification, and is manufactured using Knauf Insulation's Krimpact® Technology.
General information
Finish | Glass tissue |
Material | Rock mineral wool |
Shape | Rectangle |
Length | 1200 mm |
Width | 1000 mm |
Height | 60 mm 90 mm 100 mm 120 mm 145 mm |
Uniclass | |
CAWS | J42/27 Thermal insulation H31/271 Mineral wool thermal insulation J21/425 Mineral wool insulation H31/50 Mineral wool thermal insulation J42/425 Mineral wool (MW) insulation J41/425 Mineral wool (MW) insulation |
Specification data - Mineral wool insulation
Standard | To BS EN 13162. |
Third-party certification | BBA Certificate 08-4526 PS2 Rocksilk AllFix Flat Roof Slab. |
Form | Slab. |
Facing | Glass tissue. |
Thickness (minimum) | 145 mm. |
Width (nominal) | 1000 mm. |
Thermal conductivity (maximum) | 0.039 W/mK. |
Fire performance | Euroclass A2-s1,d0. |
Recycled content | 35%.Guidance for specification option: Rock mineral wool is manufactured using around 35% recycled content (recycled material mostly from the steel industry along with customer production waste). |
Vapour resistivity | 0.030. Manufacturer guidanceWater Vapour Resistance: (Z). |
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) | 70 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 | Certificate no 3063483. |
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, does 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 | 3.70 m²K/W. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Rock mineral wool |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 13.6 kg CO₂ eq/m² Self declared Guidance for specification option: 1 m² of Rock Mineral Wool Rocksilk® Allfix Flat Roof Slab with a thickness of 60 mm with R value of 1.54 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 |
|---|---|---|
 Revit | - | 1 |
 IFC | - | 1 |
Third party certifications
Literature
Knauf Insulation - Rocksilk® Allfix Flat Roof Slab - Flat roof insulation