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Home  /  Search  /  120mm Celotex XR4120 PIR Insulation Board 2400x1200

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120mm Celotex XR4120 PIR Insulation Board 2400x1200

UK delivery time:
1 - 2 days

120mm Celotex XR4120 PIR Insulation Board 2400x1200

Celotex XR4000 is targeted at ‘cut-to-fit’ applications between rafters or joists. XR4000 is also appropriate for use in floors and walls. Contains low emissivity foil facings.
Celotex

Price: £ 52.67 63.20 inc VAT) Click to view discounts

5 or more: £51.83 (£62.20 inc VAT)
10 or more: £51.00 (£61.20 inc VAT)
20 or more: £49.76 (£59.71 inc VAT)
40 or more: £49.34 (£59.21 inc VAT)

120mm Celotex XR4120 is targeted at ‘cut-to-fit’ applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4000 is also appropriate for use in floors and walls.

With low emissivity foil facings, XR4120 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).

Applications:

  • Celotex XR4000 is designed for thermal insulation between rafters or joists
  • XR4000 is also suitable for insulating solid floors and walls

Advantages of Celotex XR4120:

  • Is suitable for use in a number of applications including roof, wall and floor systems
  • Achieves U-values with minimum thickness
  • Helps meet the current and future requirements of the Building Regulations (Part L), BREEAM and The Code for Sustainable Homes
  • Is easy to cut and shape
  • Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces
  • Provides reliable long-term energy savings for buildings
  • Is available in a standard board size of 1200mm x 2400mm
Thickness: 120mm
Length: 2400mm
Width: 1200mm
Pack size: 1
Area per pack: 2.88m2
Material: Polyisocyanurate (PIR) with foil facings
Thermal conductivity: 0.022 W/mK
Thermal Resistance (R-Value): 5.45 m2K/W
Board weight: 11.17 kg
Compressive strength at 10% compression: ≥120kPa
Dimensional stability: DS(TH)8
Water vapour resistance: >150 MNs/g
Surface spread of flame: Class 1
Fire resistant: YES