140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board (pack of 4)
Guide Price
140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board (pack of 4)
Guide Price: £112.76 (£135.31 inc VAT)
Price per m2: £52.20/m2 (£62.64 inc VAT)
- Product Code: A1-4777
- Delivery Time: up to 7 days
- Brand: Celotex (Tech. support: 01473820850)
- Model and Size: 1190x450mm - 2.16m2
- Weight: 9.29kg
Our ratings on 27-09-2025:
4.8 out of 5
Brand: Iko
Model and Size: 1200mm x 2400mm - 8.64m2
Delivery Time: 2 - 3 working days
140mm IKO Enertherm ALU PIR Rigid Insulation Board is a versatile insulation board with a rigid polyisocyanurate (PIR) foam core, clad on both sides with reflective aluminium. The seven-layer gas-tight aluminium lamination enhances resistance to fire and water ingress. It’s made without CFC, HCFC, ..
Celotex_Thermaclass_Cavity_Wall_21_Install_Guide.pdf
Brand: Celotex
Model and Size: 1200mm x 2400mm -2.88m2
Delivery Time: 3 - 7 days
165mm Celotex XR4165 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. XR4165 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4165 is m..
Brand: Celotex
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
Celotex XR4140 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. XR4140 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4140 is ma..
£65.16
£78.19 inc VAT
Brand: Celotex
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
65mm Celotex GA4065 is a multi-purpose insulation board that provides a solution to overcome localized thermal bridges. Featuring a low emissivity foil facings, this board has been manufactured from tough polyisocyanurate (PIR) using a perfect mix of certain blowing agents which have zero ozone depl..
Guide Price
Brand: Celotex
Model and Size: 1200mm x 450mm - 3.78m2
Delivery Time: 1 - 5 working days
85mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigi..
Guide Price: £89.94
£107.93 inc VAT
Guide Price
Brand: Celotex
Model and Size: Celotex GS5025 - 74.88m2
Delivery Time: 1 - 5 working days
Celotex GS5025 is a premium performance PIR insulation board faced with low emissivity aluminum foils on both sides and bonded to 9.5 mm tapered edge plasterboard, providing an insulation product and a plasterboard in one. The product is designed for mechanically fixed applicatio..
Guide Price: £2,079.99
£2,495.99 inc VAT
Brand: Celotex
Model and Size: 1200x2400 - 25.92m2
Delivery Time: 1 - 5 working days
135mm Celotex TA4000 PIR Insulation Board (pack of 9)
Size: 1200mm x 2400mm
Area per pack: 25.92m2
Thermal conductivity: 0.022 W/Mk
R-Value: 6.10m2K/W
Compressive strength: ≥150kPa
Water vapour resistance: >150 MNs/g
Weight: 4.53kg/m2
Celo..