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5 Reviews
View Product Reviews90mm Celotex GA4090 PIR Insulation Board 2400mm x 1200mm
| 10+ boards | 20+ boards | 30+ boards |
| £28.99ex. VAT | £28.69ex. VAT | £28.40ex. VAT |
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Tue 29 Jul
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- Choose Clearpay at checkout to pay later with Pay in 4.
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Clearpay is unregulated credit. Use responsibly. 18+, T&Cs and late fees apply at clearpay.co.uk/en-GB
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it’s still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay’s behalf. Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply at clearpay.co.uk/terms
Product Overview
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Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, KW, IV, LA, LD, LL, NP, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £150 | £40 ex. VAT |
| Between £150 - £350 ex. VAT | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £20 ex. VAT |
| Between £100 - £200 ex. VAT | £10 ex. VAT |
| Over £200 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £7.50 ex. VAT |
| Over £100 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{home}} Use in floors, framed walls and pitched roofs
- {{grade}} Aluminium composite facing on both sides
- {{thermostat}} 0.022 W/mK thermal conductivity
- {{build}} Easy to handle and install
- {{public}} Zero Ozone Depletion Potential (ODP)
- {{verified_user}} BBA certified
Technical Specification
| Material Type: | PIR |
|---|---|
| Thickness: | 90mm |
| Width: | 1200mm |
| Length: | 2400mm |
| Sales Unit: | Board |
| Sales Unit Coverage: | 2.88m2 |
| Brand: | Celotex |
| Manufacturer's Reference: | GA4090 |
| Weight: | 9.53kg |
| Thermal Conductivity: | 0.022W/mK |
Technical Downloads
About 90mm Celotex
- GA4090 is a BBA-certified PIR insulation board purposed for use in general applications (GA) - walls, roofs, and floors.
- Delivers exceptional thermal efficiency with a thermal conductivity of just 0.022 W/m.K.
- Helps to meet UK Building Regulations without excessive insulation depth.
- Low-emissivity foil-facing enhances efficiency by reflecting radiant heat within sealed air spaces.
- Reduces heat loss and improves overall energy performance.
- Both lightweight and rigid - simplifies cutting, handling, and installation across various applications.
Applications
- Roofs
- Pitched Roof Insulation: Loft, Between Rafters, Between & Under Rafters, Between & Over Rafters, Pitched Roof Sarking.
- Flat Roof Insulation: Balconies & Terraces, Between & Under Joists.
- Walls
- External Wall Insulation: Timber Frame Walls.
- Floors
- Ground Floor Insulation: Beam & Block Floors, Concrete Slab Ground Floors, Upgrading Concrete Slab Floors, Suspended Timber Floors.
Benefits
- Excellent Thermal Performance - Thermal conductivity of 0.022 W/mK.
- Moisture Resistant - Prevents water absorption, maintaining thermal efficiency.
- Environmentally Responsible - Low Global Warming Potential (GWP) and Zero Ozone Depleting Potential (ODP).
- Cost-Effective - Offers high performance at a competitive price point.
- Non-Toxic - Safe to handle and install, with no harmful emissions.
- Low Emissivity Foil Facings - Improves thermal insulation performance within cavity air spaces.
Certifications
- Spread of Flame: Euroclass E Reaction to Fire classification, according to BS EN 13501-1.
- Thermal Conductivity of 0.022 W/m.K: Reduces the thickness of insulation required to hit the target U-value - BS EN 12667.
- Compressive Strength: ≥140kPa - BS EN 826.
- BRE Green Guide Rating of A for Sustainability: Assists in demonstrating environmental performance in BREEAM assessments.
- BBA Certified.
Customer Reviews
great!
five stars
perfect for what I needed
Great to use in partition wall. Also staff here provided excellent service!
good insulation
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