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70mm Celotex GA4070 PIR Insulation Board 2400mm x 1200mm

URN: 3001029
£26.69ex. VAT £9.27 per m2
£26.69ex. VAT
£9.27 per m2
Bulk Discount
10+ boards 20+ boards 30+ boards
£26.42ex. VAT £26.16ex. VAT £25.89ex. VAT
Coverage required
m
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

70mm Celotex GA4070 is a high-performance thermal insulation PIR board with composite foil facings. It can be used for roof, floor, wall and timber joist applications.

Nationwide Delivery

Fri 2 May

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Product Overview

70mm Celotex GA4070 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: 3001029
£26.69ex. 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

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:70mm
Width:1200mm
Length:2400mm
Sales Unit:Board
Sales Unit Coverage:2.88m2
Brand:Celotex
Manufacturer's Reference:GA4070
Weight:7.52kg
Thermal Conductivity:0.022W/mK

About 70mm Celotex

  • GA4070 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
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5/5 based on 5 reviews

did what it needed to do

Oliver Whistable on

very good!

David Kensington on

perfect for the job

Will Nutall on

FIVE STARS!

Ivan ivanoff on

Used this under two new flat roofs and couldn't be happier with the product. Installed just a single layer and the extension is actually warmer than the rest of the house!

Carl Ashbolt on

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