Celotex PIR Cavity Wall Insulation Board 1200 x 450 x 50mm

Product Code
B40270
Choose PIR Insulation for Partial Fill Masonry Cavity Walls with Celotex PIR Cavity Wall Insulation Board from your local Covers
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Celotex is an easy-to-install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 40mm to 100mm, it is suitable for partial fill cavity wall applications. 

  • Thermal Performance - Excellent thermal performance with thermal conductivity of 0.022 W/m.K, reducing the thickness of insulation required to hit the target U-value
  • High-Performance Facer - Low emissivity foil facing provides improved thermal performance in sealed cavity air spaces, improving the achievable U-value
  • Easy to Install - The boards are light and rigid, assisting with ease of transportation, handling and fitting. They are sized to fit standard wall tie spacing for ease of installation
  • BBA Certified - Celotex CW4000 has been assessed by the BBA as fit for use in defined partial fill cavity wall applications if installed, used and maintained as set out in the certificate
  • Sustainability - Celotex CW4000 achieves a BRE Green Guide Rating of A, which can assist in demonstrating environmental performance in your BREEAM assessments
More Information
BrandCelotex
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Delivery charges

Minimum order delivery charges are applicable to certain products. More information about can be found on our Delivery Information page.

Online orders below £300 ex VAT are subject to delivery charges, as stated below:
- £0 - £149.99 ex Vat , Delivery charge £25 +VAT (£30 incl VAT)
- £150 - £300 ex Vat, Delivery Charge £20 + VAT (£24 incl VAT)
- £300 ex Vat + : No delivery Charge.

Returns & Refunds

We want you to be happy with your purchase, however if you change your mind you can return it to us. We will take back any items that are in a resellable condition within 14 days of purchase.

You can either:
Return it to your local with proof of purchase
Arrange collection by emailing us at [email protected] with your order number and product details The return of perishable items (i.e. cement, plaster) will not be accepted.

*Please note that our minimum charge for this collection service is 15% of the order value and may be more depending on your location and product type. Once the products have been returned, you will be refunded within 7 days.