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Knauf Insulation - Loft Roll 40 (Combi-cut) - Loft Floor Insulation

Verified by manufacturer 1 month ago

Loft Roll 40 200 mm

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

    Indoor Air Comfort – Eurofins

    Certificate type

A glass mineral wool insulation roll, designed for insulating cold pitched roofs at ceiling level.

Jump to:
BOS
+44 (0)1744 766 666 Website

Application

Loft Rolls are used for the thermal insulation of cold pitched roofs at ceiling level. They are usually laid in two layers, with the first layer between the joists and the second layer over, and at right angles to the joists.

Description

Knauf Insulation Loft Roll 40 is a glass mineral wool insulation roll, designed for insulating cold pitched roofs at ceiling level, with a thermal conductivity of 0.040 W/mK it offers the best thermal performance in the range. 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

Glass mineral wool

Shape

Rectangle

Guidance for specification option:

Roll.

Length

4850 mm

Guidance for specification option:

Minimum.

11250 mm

Guidance for specification option:

Maximum.

Width

1140 mm

Guidance for specification option:

  • 2 x 570 mm.
  • 3 x 380 mm.

Height

100 mm

150 mm

200 mm

Uniclass

Pr_25_57_06_53 Mineral wool insulationPrimary
Pr_25_57_06_30 Flexible glass wool mat insulation
Pr_25_57_06_34 Glass fibre insulation

CAWS

P10/125 Insulation laid between ceiling ties/ joists

P10/135 Insulation laid across ceiling ties/ joists

P10/10 Loft insulation

Product range

Pitched Roof Rafter Level
Pitched Roof Ceiling Level

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.
Made in Britain.
Declare 'Red List Free'.

Form

Roll.

Facing

Unfaced.

Thickness (minimum)

200 mm.

Guidance for specification option:

Length: 4850 mm.

Width (nominal)

1140 mm (2 x 570 mm/ 3 x 380 mm).

Thermal conductivity (maximum)

0.040 W/m·K.

Fire performance

Euroclass A1 to BS EN 13501-1.

Recycled content

80%.

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 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

5.00 m²K/W.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Material

Glass mineral wool

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

0.86 kg CO₂ eq/kg

Self declared

Guidance for specification option:

1 m² of glass mineral wool Loft Roll 40 with a thickness of 100 mm and the R-value of 2.50 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

80 %

BIM objects

BOS

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

Glass Mineral Wool with ECOSE® technology - Eurofins Gold Certificate

Literature

Knauf Insulation Loft Rolls - Product Datasheet

Knauf Insulation Loft Rolls - Product Datasheet

Glass Mineral Wool - BREEAM Helpsheet

Glass Mineral Wool - BREEAM Helpsheet

Knauf Insulation Solutions Guide

Knauf Insulation Solutions Guide

Glass Mineral Wool with ECOSE® Technology - Safety Datasheet

Glass Mineral Wool with ECOSE® Technology - Safety Datasheet

Knauf Insulation Loft Roll 40, FrameTherm® Roll 40, FactoryClad Roll 40, Therma-Quilt 40, OmniFit® Roll 40, Acoustic Roll (63 mm, 75 mm, 100 mm) EPD - EN - UK&I

Knauf Insulation Loft Roll 40, FrameTherm® Roll 40, FactoryClad Roll 40, Therma-Quilt 40, OmniFit® Roll 40, Acoustic Roll (63 mm, 75 mm, 100 mm) EPD - EN - UK&I

Knauf Insulation Loft Roll Installation Guide

Knauf Insulation Loft Roll Installation Guide

Case studies

The Benjamin Foundation

The Benjamin Foundation

Trafford & Eccles Housing Project, Manchester

Trafford & Eccles Housing Project, Manchester

The Gables, Musker Street

The Gables, Musker Street

St Vincent de Paul, Newcastle

St Vincent de Paul, Newcastle

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