Celotex is the market leader in the PIR insulation board industry, having manufactured and supplied PIR boards for over 90 years. But which Celotex insulation board is most suited to your project? We’ve created an easy-to-understand guide to the different Celotex PIR boards available to help you make a decision on the most suitable Celotex insulation boards for your project.
Find out the thicknesses, R-values, and sizes of Celotex boards, the uses of the different Celotex board ranges, and the price of Celotex boards to help you decide which insulation board will work best for you.
And if you’d like to see how Celotex compares with other popular brands, make sure you check out our PIR insulation comparison chart.
Table of contents:
- Celotex GA4000 insulation boards
- Celotex TB4000 insulation boards
- Celotex XR4000 insulation boards
- Celotex CW4000 insulation boards
Celotex GA4000 insulation boards
Celotex GA4000 uses
The Celotex GA4000 range is a range of general-purpose PIR boards with thicknesses ranging from 50mm to 100mm. GA4000 is an incredibly versatile insulation board and can be used in a variety of applications. GA4000 insulation boards can be used on ground floors, whether they are solid concrete, suspended timber, or block and beam, and including ground floors with underfloor heating. Additionally, GA4000 insulation boards can be used in pitched roofs, flat roofs, timber and steel-framed walls, and in many other projects within retrofitting and refurbishment works.
Celotex GA4000 specifications
Celotex GA4000 insulation boards are manufactured from polyisocyanurate and have low emissivity foil facings to aid with reducing heat transfer.
The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.
GA4000
boardsGA4050 GA4060 GA4070 GA4075 GA4080 GA4090 GA4100
R-value (m²K/W) 2.25 2.7 3.15 3.4 3.6 4.05 4.5
Thickness (mm) 50 60 70 75 80 90 100
Width (mm) 1200 1200 1200 1200 1200 1200 1200
Length (mm) 2400 2400 2400 2400 2400 2400 2400
Celotex TB4000 insulation boards
Celotex TB4000 uses
Celotex TB4000 insulation boards are very similar to the GA4000 range because of their versatility. TB4000 insulation boards from Celotex can be used in floors, solid walls, timber and steel frame constructions, and more. The thin characteristics of TB4000 mean that this range is particularly suited to combatting localised heat losses and thermal bridging.
Celotex TB4000 specifications
TB4000 insulation boards are polyisocyanurate boards, and similarly to GA4000 insulation boards they also have low emissivity facings. However, TB4000 insulation boards are much thinner than the GA4000 range, as shown below.
The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.
TB4000
boardsTB4012 TB4020 TB4025 TB4030 TB4040
R-value (m²K/W) 0.5 0.9 1.1 1.35 1.8
Thickness (mm) 12 20 25 30 40
Width (mm) 1200 1200 1200 1200 1200
Length (mm) 2400 2400 2400 2400 2400
Celotex XR4000 insulation boards
Celotex XR4000 uses
The XR4000 insulation board range consists of thinner insulation board that still achieves high U values. They are especially suited to “cut-to-fit” applications. In other words, you can fit them between rafters and joists, resulting in a highly insulating layer without unnecessary thickness.
Celotex XR4000 specifications
The Celotex XR4000 insulation boards are thin, high-performance boards. See the table below for exact R- values, thicknesses and sizes.
The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.
XR4000
boardsXR4110 XR4120 XR4130 XR4140 XR4150 XR4165 XR4200
R-value (m²K/W) 5 5.45 5.9 6.35 6.8 7.5 9.05
Thickness (mm) 110 120 130 140 150 165 200
Width (mm) 1200 1200 1200 1200 1200 1200 1200
Length (mm) 2400 2400 2400 2400 2400 2400 2400
Celotex CW4000 insulation boards
Celotex CW4000 uses
The CW4000 insulation board range has been developed specifically for partial fill cavity walls. They are suitable for both new and existing buildings.
Celotex CW4000 specifications
Developed for a particular use within cavity wall spaces, the CW4000 PIR board range has foil facings to minimise potential heat transfer within cavity wall spaces. The CW4000 insulation boards come in smaller lengths and widths to improve installation time within the cavity walls.
The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.
CW4000
boardsCW4040 CW4050 CW4060 CW4075 CW4100
R-value (m²K/W) 1.8 2.25 2.7 3.4 4.5
Thickness (mm) 40 50 60 75 100
Width (mm) 450 450 450 450 450
Length (mm) 1200 1200 1200 1200 1200
Don’t hesitate to call our team of experts – they will be more than happy to answer any questions, or queries or offer project-based recommendations. Call today on 01752 692 206.
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