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Isover CWS 34

Third party certifications:
  • BBA Agrément Certificate

    Certificate type

  • QA Certificate

    Certificate type

Saint-Gobain Insulation UK

Thermal insulation mineral wool batt for external masonry cavity walls.

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+44 (0) 1473 820850 insulation-uk.com
Application

Provides good thermal performance in external cavity walls to meet and exceed UK thermal building regulations. Can be used for both full fill and partial fill cavity wall insulation.

Description

A medium density glass mineral wool batt supplied in 75–150 mm thicknesses. The strong, resilient and flexible batts are 455 mm wide to fit between standard wall tie spacing.

Features and benefits:

  • Thermal performance: Thermal conductivity of 0.034 W/m∙K. It provides good thermal performance, reducing heat loss within the building envelope.
  • Non-combustible, with an A1 Euroclass fire rating.
  • Manufactured from up to 80% recycled content.
  • CE marked to BS EN 13162.

Application:

Provides good thermal performance in external cavity walls to meet and exceed UK thermal building regulations. Can be used for both full fill and partial fill cavity wall insulation.

General information
Material

Glass mineral wool

Uniclass 2015 Mineral wool slab insulation (Pr_25_57_06_56)
Specification data
Product Reference

Isover CWS 34

Thickness

75 mm

2.2 W/m²K thermal resistance.

100 mm

2.9 W/m²K thermal resistance.

125 mm

3.65 W/m²K thermal resistance.

150 mm

4.4 W/m²K thermal resistance.

Standard product features

Material:

Glass mineral wool.

Size (w x l):

455 x 1200 mm.

Technical characteristics:

  • Thermal conductivity (to BS EN 13162): 0.034 W/m∙K.
  • Fire rating (to BS EN 13501-1): Euroclass A1, Class O.
  • Environmental: Zero ozone depletion potential (ODP), <5 global warming potential (GWP). The manufacturing process does not use or contain chlorofluorocarbons (CFCs), hydrofluorocarbons (HCFCs) or other damaging gases.
  • BRE Global Green Guide rating: A+ within the Domestic, Health, Industrial, Commercial, Retail and Education categories.
  • Recycled content: ≤80%.

Third party certifications
  • Certificate: 18/5560
  • LABC: Certificate: EWW1027B
  • Declaration of Performance (DoP): Certificate: 0012-CPR-170918
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