NBS Source
I'm a manufacturer
Compare variants

Knauf Insulation - Rocksilk® Soffit Linerboard Extra - Structural Soffit Insulation

Verified by manufacturer 6 days ago

Soffit Linerboard Extra 130 mm

Knauf Insulation Ltd Variant:
Third party certifications:
  • Indoor Air Comfort – Eurofins

    Indoor Air Comfort – Eurofins

    Certificate type

A rock mineral wool insulation slab with an impact-resistant cementitious facing board, designed to insulate structural soffits in semi-exposed environments such as open-sided car parks.

Jump to:
BIM object icon
+44 (0)1744 766 666 Website

Application

Rocksilk® Soffit Linerboards are used for the thermal and acoustic insulation of soffits in a wide range of both residential and non-residential buildings.

Rocksilk® Soffit Linerboards are non-combustible with the best possible A1 Euroclass reaction to fire classification, making them ideal for the underlining of car parks and garages. Rocksilk® Soffit Linerboards are available in various facing materials.


Rocksilk® Soffit Linerboard Standard is suitable for use as an insulated underlining solution in structural soffits such as underground car parks while Rocksilk® Soffit Linerboard Extra is suitable for use as an insulated underlining solution in semi-exposed structural soffits such as open-sided car parks.

Description

Knauf Insulation Rocksilk® Soffit Linerboard Extra is a rock mineral wool insulation slab with an impact-resistant cementitious facing board, designed to insulate structural soffits in semi-exposed environments such as open-sided car parks. It is non-combustible with 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

White

Finish

Cement

Fibre cement facing.

Material

Rock mineral wool

Shape

Rectangle

Slab.

Length

1200 mm

Width

600 mm

Height

130 mm

160 mm

185 mm

220 mm

Uniclass

Pr_25_57_06_53 Mineral wool insulationPrimary
Pr_25_71_97_12 Cement-bonded particleboards
Pr_25_71_11_25 Fibre-reinforced cement boards
Pr_25_71_11_29 Fibre-reinforced cement sheets
Pr_25_57_06_50 Mineral fibre slab insulation

CAWS

P10/185 Soffit insulation

K11/60 Board

K11/890 Board

K11/845 Cement-bonded particleboard

K11/63 Cement-bonded particleboard

Product range

Soffit Insulation

Specification data - Mineral wool insulation

Standard

To BS EN 13162.

Third-party certification

Eurofins Gold.
Euroclass A1 Reaction to Fire Classification.
Green Guide Rating A.
CE Marking.
EPD (EN 15804+A2).
EUCEB.

Form

Slab.

Facing

Fibre cement facing.

Thickness (minimum)

130 mm.

Width (nominal)

600 mm.

Thermal conductivity (maximum)

Mineral wool: 0.034 W/m·K.
Cement particle board facing: 0.24 W/m·K.

Fire performance

Euroclass A1 to BS EN 13501-1.

Recycled content

Up to 35%.

Vapour resistivity

Rock mineral wool: 5.00 MN·s/g·m.
Fibre cement flat sheet: 200 MN·s/g·m.

Water absorption

Short term water absorption.

<1 kg/m² tested in accordance with BS EN 1609.

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

Method: calculations should be created using 2D or 3D modelling programs which comply with the methodologies detailed in BS EN ISO 10211.

-

Accessories

Not required.

Soffit Linerboard Fixings.

A range of colour matched mechanical fixings designed for installing Rocksilk® Soffit Linerboard Standard and Extra onto reinforced concrete or composite steel ceilings.

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

3.95 m²K/W.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

Recyclable

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

35 %

BIM objects

BIM object icon

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

Indoor Air Comfort – Eurofins

Indoor Air Comfort – Eurofins

Rock Mineral Wool with ECOSE® Technology - Eurofins Gold Certificate

Literature

Knauf Insulation Solutions Guide

Knauf Insulation Solutions Guide

Rock Mineral Wool - BREEAM Helpsheet

Rock Mineral Wool - BREEAM Helpsheet

Rock Mineral Wool with ECOSE® Technology - Safety Datasheet

Rock Mineral Wool with ECOSE® Technology - Safety Datasheet

Rocksilk® Soffit Linerboard Installation Guide

Rocksilk® Soffit Linerboard Installation Guide

Knauf Insulation Rocksilk® Soffit Linerboard - Product Datasheet

Knauf Insulation Rocksilk® Soffit Linerboard - Product Datasheet

Rocksilk® Soffit Linerboard Fixings - Product Datasheet

Rocksilk® Soffit Linerboard Fixings - Product Datasheet

Case studies

Middlewood Locks, Manchester

Middlewood Locks, Manchester

Similar products from Knauf Insulation Ltd

Knauf Insulation - Acoustic Roll (Ready-cut) - Acoustic Insulation

Knauf Insulation - Acoustic Roll (Ready-cut) - Acoustic Insulation

Knauf Insulation - DriTherm® Cavity Slab 32 - Cavity Wall Insulation

Knauf Insulation - DriTherm® Cavity Slab 32 - Cavity Wall Insulation

Knauf Insulation - DriTherm® Cavity Slab 34 - Cavity Wall Insulation

Knauf Insulation - DriTherm® Cavity Slab 34 - Cavity Wall Insulation

Knauf Insulation - DriTherm® Cavity Slab 37 - Cavity Wall Insulation

Knauf Insulation - DriTherm® Cavity Slab 37 - Cavity Wall Insulation

Knauf Insulation - FactoryClad Roll 32 (Uncut) - Built-Up Metal Roof and Wall Insulation

Knauf Insulation - FactoryClad Roll 32 (Uncut) - Built-Up Metal Roof and Wall Insulation

Knauf Insulation - FactoryClad Roll 35 (Uncut) - Built-up metal roof and wall insulation

Knauf Insulation - FactoryClad Roll 35 (Uncut) - Built-up metal roof and wall insulation

Knauf Insulation - FactoryClad Roll 40 (Uncut) - Built-Up Metal Wall and Roof Insulation

Knauf Insulation - FactoryClad Roll 40 (Uncut) - Built-Up Metal Wall and Roof Insulation

Knauf Insulation - FrameTherm® Roll 32 (Ready-cut) - Timber Frame Insulation

Knauf Insulation - FrameTherm® Roll 32 (Ready-cut) - Timber Frame Insulation

Knauf Insulation - FrameTherm® Roll 35 (Ready-cut) - Timber Frame Insulation

Knauf Insulation - FrameTherm® Roll 35 (Ready-cut) - Timber Frame Insulation

Knauf Insulation - FrameTherm® Roll 40 (Ready-cut) - Timber Frame Insulation

Knauf Insulation - FrameTherm® Roll 40 (Ready-cut) - Timber Frame Insulation