Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes - Celotex Insulation
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes - Celotex Insulation
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CELOTEX

Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes

SKU: celcav40

Est Delivery between and .

Next Day Delivery on Orders placed before 11am (ex. weekends)

Order now and get free delivery on all Celotex orders over £300 ex vat.

These products are sold in pack quantities. Price listed is per pack.

  • The Celotex CW4075 Cavitywall Insulation is sold in packs, with 8 sheets per pack.
  • Each sheet measures 1200mm x 450mm, providing a total area coverage of 4.32m².
  • The insulation has a thickness of 75mm and a low thermal conductivity of 0.023 W/mK.

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Thickness Sheets Per Pack Pack Coverage
40mm 14 7.56m2
50mm 11 5.94m2
60mm 10 5.4m2
75mm 8 4.32m2
85mm 7 3.78m2
100mm 6 3.24m2

 

The Celotex Cavitywall is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.022 W/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP).


Advantages

    1. Conveniently fits in between cavity wall ties through cavity ties clips
    2. Clips offer Retention
    3. Gives long lasting reliable energy savings for all buildings
    4. Foil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces
    5. Exemplary dimensional stability


Certification

    • The insulation component of this Celotex is given an A+ rating in comparison to the BRE Green Guide 2008
    • This got CE marking complying with BS EN 13165:2001
    • This is CFC/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)
    • This is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex Limited



Features:

  1. Size of Board: 1200 x 450 mm
  2. Compressive strength: 120kPa
  3. Water vapour resistance: Greater than 150MNs/g
  4. Dimensional stability: DS (TH) 8

 


Pros & Cons

Pros
  • Superior thermal performance for partial-fill cavity wall applications
  • Each pack contains 8 sheets, providing a total area coverage of 4.32m²
  • Robust thickness of 75mm for exceptional energy savings
  • Low thermal conductivity of 0.023 W/mK
  • Easy installation with convenient clips for retaining between cavity wall ties
  • Foil facers enhance thermal insulation in cavity wall air spaces
  • Remarkable dimensional stability and compressive strength of 120kPa
  • Certified with an A+ rating by the BRE Green Guide 2008
  • CE marking in compliance with BS EN 13165:2001
  • Manufactured adhering to BS EN ISO 9001:2000 quality management systems
  • Environmentally conscious with zero ozone depletion potential (ODP) and low global warming potential (GWP)
Cons
  • May be more expensive compared to other cavity wall insulation options
  • Only sold in pack quantities, limiting flexibility for smaller projects
  • Requires proper installation to ensure maximum effectiveness
Length 1200mm
Width 450mm
Thermal Conductivity 0.022 W/mK
Brand Celotex
Material Type Polyiso

Est Delivery between and .

Next Day Delivery on Orders placed before 11am (ex. weekends)

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.

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