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Knauf Insulation - Rocksilk® Flat Roof Slab Extra - Flat Roof Insulation

Name: Knauf Insulation - Rocksilk® Flat Roof Slab Extra - Flat Roof Insulation
Brand: Knauf Insulation Ltd
SKU: b2rPzrKAzbCoKRzFpiFCRZ

Verified by manufacturer 3 months ago

Flat Roof Slab Extra 95 mm

Knauf Insulation Ltd

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.

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+44 (0)1744 766 666 Website

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	Pr_25_57_06_53 Mineral wool insulationPrimary
CAWS	J42/425 Mineral wool (MW) insulation J42/27 Thermal insulation J42/23 Mineral wool insulation boards

Product range	Warm Flat Roofs

Specification data - Mineral wool insulation

Standard	To BS EN 13162.
Third-party certification	BBA Certificate 08_4526 Rocksilk Krimpact Flat Roof Slab. Euroclass A1 Reaction to Fire Classification. CE Marking. Green Guide Rating C. EPD (EN 15804+A2). EUCEB. Made in Britain.
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 guidance Short 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. Airbourne 39–52 Rw 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 guidance Method: 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 carbon A1-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 content As defined in clause 7.8 of BS EN ISO 14021	35 %