Crown Loft Roll 44

Thermal and Acoustic Insulation of Lightweight Structures

Description      

Crown Loft Roll 44 is an unfaced glass mineral wool roll which is lightweight, flexible, resilient and non-combustible. Crown Loft Roll 44 is available in three variants:

  • Crown Loft Roll 44 (Uncut) is uncut and unperforated with a width of 1140mm.
  • Crown Loft Roll 44 (Ready-cut) is pre-cut into either 2x570mm widths or 3x380mm widths.
  • Crown Loft Roll 44 (Combi-cut) is perforated along its length at half and one third widths to allow easy splitting on-site to the required width.

Standards

Crown Loft Roll 44 is a non-combustible inorganic glass wool, defined as mineral wool in BS 3533 and is manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2001.
 

Handling and Storage

Crown Loft Roll 44 is supplied in polythene packs. The Product Data tables show storage information for each thickness

Application

For the provision of thermal and acoustic insulation in new build lofts and also loft conversions. Crown Loft Roll 44 is available in thicknesses to suit current Building Regulations and is 1140mm wide, perforated or cut to suit both 400 and 600 roof joist centres. It has the highest achievable fire classification of A1.

Environmental

Crown Loft Roll 44 is free from CFCs, HCFCs and any other material with ozone depletion potential in its manufacture and content and represents no known threat to the environment.

Crown Loft Roll 44’s manufacture has a low impact on the environment and is classified as Zero ODP and Zero GWP.

Crown Loft Roll

Performance

Certifed to BS 13162:2001 LogoBSI Registerd UKAS 003 - 62px

Thermal Performance

The thermal conductivity of Crown Loft Roll 44 is 0.044 W/mK.

Fire performance

Crown Loft Roll 44 is classified as Euroclass A1 to BS EN ISO 13501-1

Permanence

Crown Loft Roll 44 is odourless, rot proof, non-hygroscopic, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria.
 
Benefits
  • Lightweight and economic insulation quilt
  • Produced for use with timber joists at 400mm and 600mm centres
  • Partially cut perforations
  • Combines thermal, acoustic and fire performance
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Product Data

Crown Loft Roll 44 (Uncut)
Thickness (mm)
Thermal Conductivity(W/mK)
Thermal Resistance (m2K/W)
Length (m)
Width
(mm)
Area per Roll (m2)
200 0.044 4.50 5.20 1140
5.93
170 0.044 3.85 7.03 1140
8.01
All dimensions are nominal

Crown Loft Roll 44 (Combi-cut)
Thickness (mm)
Thermal Conductivity(W/mK)
Thermal Resistance (m2K/W)
Length (m)
Width
(mm)
Area per Roll (m2)
200 0.044 4.50 5.20 1140 (2x570/3x380)
5.93
170 0.044 3.85 7.03 1140 (2x570/3x380)
8.01
150 0.044 3.40 8.05 1140 (2x570/3x380)
9.18
100 0.044 2.25 12.18 1140 (2x570/3x380)
13.89
All dimensions are nominal

Crown Loft Roll 44 (Ready-cut)
Thickness
(mm)
Thermal Conductivity (W/mK)
Thermal Resistance (m2K/W)
Length (m)
Width (mm)
Area per Roll (m2)
200 0.044 4.50 5.20 2x570 6.03
200 0.044 4.50 5.20 3x380 6.03
170 0.044 3.85 5.30 2x570 6.15
170 0.044 3.85 5.30 3x380 6.15
150 0.044 3.40 6.03 2x570 7.00
150 0.044 3.40 6.03 3x380 7.00
100 0.044 2.25 9.17 2x570 10.64
100 0.044 2.25 9.17 3x380 10.64
All dimensions are nominal

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