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75mm Celotex GA4075 PIR Insulation Board 2400mm x 1200mm

URN: 3001030
Core
£26.74ex. VAT £9.28 per m2 Get it for £25.74 ex. VAT with CORE+
£26.74ex. VAT
£9.28 per m2
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£26.47ex. VAT £26.21ex. VAT £25.94ex. VAT
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m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

75mm Celotex GA4075 is a high-performance thermal insulation PIR board with composite foil facings. It can be used for roof, floor, wall and timber joist applications.

Express Delivery

Wed 7 May

Standard Delivery

Fri 9 May

Order by 2pm today
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  • 51mins
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Product Overview

75mm Celotex GA4075 is a high-performance thermal insulation PIR board with composite foil facings. It can be used for roof, floor, wall and timber joist applications.

URN: 3001030
£26.74ex. VAT

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Delivery & Returns Information

All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.

This charge is based on delivery to mainland UK excluding the following postcodes: AB, CF, DD, DG, KW, IV, LD, LL, NP, PH, SA and SY. If your delivery address is in any of these postcode areas a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.

Standard (Nationwide) Delivery

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Core
ORDER VALUE DELIVERY CHARGE
Under £300 ex. VAT £25 ex. VAT
Over £300 ex. VAT FREE

Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £150 £50 ex. VAT
Between £150 - £400 ex. VAT £35 ex. VAT
Over £400 ex. VAT FREE
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £100 £25 ex. VAT
Between £100 - £250 ex. VAT £20 ex. VAT
Over £250 ex. VAT FREE
SuperFOIL and YBS products
ORDER VALUE DELIVERY CHARGE
Each item £10 ex. VAT
Over £350 ex. VAT of 1 brand 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

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Returns

We offer a 30 day returns policy on any faulty products.

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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

Technical Specification
Material Type:PIR
Thickness:75mm
Width:1200mm
Length:2400mm
Sales Unit:Board
Sales Unit Coverage:2.88m2
Brand:Celotex
Manufacturer's Reference:GA4075
Weight:8.01kg
Thermal Conductivity:0.022W/mK

About 75mm Celotex

  • GA4075 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

5
4
3
2
1
5/5 based on 17 reviews

Good insulation and cuts easily

Tim G on

Decent price and managed to get a guaranteed delivery date

Sam D on

Found the board was easy to handle for fitting

Rez KP on

Came on time and bought at a decent price

Brian Newman on

Amazing, arrived on the day they said it would!

Tom Gloomsbury on

Solid board and solid price

Marek Dils on

Friendly service

Jill Eaves on

Great price and board

Ray Lewis on

Worked well in my summerhouse

Jacob Burns on

Competitive Price, fast deliver

Martin Chivers on

I needed a product to fill uninsulated cavity air spaces and this worked wonderfully. Company also provided quick delivery. Will definitely be back.

Benedict Wayfield on

excellent insulation board

Andrew John on

great product

Alex Fentwell on

good

Craig Allinson on

great insulation

Hugo Timbrell on

great

Pat McCann on

nice product

David Croft on

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