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Celotex Insulation Size Guide

Celotex Insulation Materials are available in a range of sizes and thicknesses. The products can be applied to several different application techniques depending on thickness and installation method.

Celotex boards offer great quality and affordable insulation materials in a wide range of products available in sizes to fit every project need. Using Celotex insulation materials is a constructive way of insulating your home and reducing heating bills whilst creating a more energy-efficient environment. The range offers product codes that make finding the right board easy. Remember to always consult a building professional before insulating your home to ensure you have chosen the right insulation to provide the best possible thermal quality whilst still meeting the required Building Regulations.

To help you find the right product for your projects, see the below product size guide for all Celotex products including PIR , Insulated Plasterboards, and Cavity Wall Boards.

CELOTEX PIR INSULATION BOARD SIZING

Celotex Insulation boards are available in several thicknesses. The insulation boards have product codes that will differ depending on thickness, although they are essentially the same product. This can be confusing when trying to order your insulation materials.

The PIR Insulation board range includes TB4000, GA4000, and XR4000.

The product codes last two or three digits correspond with the product thickness in mm. The first three or four digits are the codes simply used for product classification. See the below example:

GA4040 = 40mm thickness. XR4110 = 110mm thickness.

See breakdown below.

PIR Insulation Board – CELOTEX TB4000

TB meaning ‘Thermal Bridging’ boards. These boards are available in thicknesses ranging from 25mm to 40mm. The TB products are a thinner size board generally applied to areas where thermal bridging can be overcome such as over timber stud applications.

Product Code Thickness Size R-Value
TB402020mm2400mm x 1200mm0.90
TB402525mm2400mm x 1200mm1.10
TB403030mm2400mm x 1200mm1.35
TB404040mm2400mm x 1200mm1.80

 

PIR Insulation Board – CELOTEX GA4000

GA meaning ‘General Application’ boards. These boards are available in thicknesses ranging from 50mm to 100mm. The GA products are a standard size multi-purpose board generally applied to a variety of installation methods including floors, walls, ceilings, and roofs.

Product Code Thickness Size R-Value
GA405050mm2400mm x 1200mm2.25
GA406060mm2400mm x 1200mm2.70
GA407070mm2400mm x 1200mm3.15
GA407575mm2400mm x 1200mm3.40
GA408080mm2400mm x 1200mm3.60
GA409090mm2400mm x 1200mm4.05
GA4100100mm2400mm x 1200mm4.50

 

PIR Insulation Board – CELOTEX XR4000

XR meaning Thermal Bridging. These boards are available in thicknesses ranging from 110mm to 200mm. The XR products are a thicker size board generally applied to cut-to-fit applications to achieve lower U-values with a single layer of insulation such as between rafters or joists.

Product Code Thickness Size R-Value
XR4110110mm2400mm x 1200mm5.00
XR4120120mm2400mm x 1200mm5.45
XR4130130mm2400mm x 1200mm5.90
XR4140140mm2400mm x 1200mm6.35
XR4150150mm2400mm x 1200mm6.80
XR4165165mm2400mm x 1200mm7.50
XR4200200mm2400mm x 1200mm9.05

 

CELOTEX INSULATED PLASTERBOARD SIZING

Celotex Insulated Plasterboards are available in several thicknesses. Like Celotex insulation boards, the insulated plasterboard product codes will differ depending on thickness.

The Insulated Plasterboard PL4000 Range.

The product codes last two or three digits correspond with the product thickness in mm before plasterboard is applied. The first three or four digits are the codes simply used for product classification. See the below example:

PL4025 = 25mm Insulation board + 12.5mm Plasterboard. Total thickness 37.5mm.

See breakdown below.

Insulated Plasterboard – Celotex PL4000

PL meaning ‘Plasterboard’. These boards are available in thicknesses ranging from 25mm (37.5mm) to 65mm (77.5mm) with each insulation board bonded to a 12.5mm thick plasterboard. The PL products are high-performance boards generally applied to wall applications. This 2-in-1 product is time and cost effective.

Product Code Thickness Size R-Value
PL402525+12.5mm2400mm x 1200mm1.20
PL404040+12.5mm2400mm x 1200mm1.85
PL405050+12.5mm2400mm x 1200mm2.30
PL406060+12.5mm2400mm x 1200mm2.75
PL406565+12.5mm2400mm x 1200mm3.00

 

CELOTEX CAVITY WALL BOARD SIZING

Celotex Cavity Wall boards are available in several thicknesses. Like the Insulation Board products, the Celotex cavity wall board product codes will differ depending on thickness.

The Cavity Wall Board CW4000 range.

The product codes last two or three digits correspond with the product thickness in mm. The first three or four digits are the codes simply used for product classification. See the below example:

CW4050 = 50mm thickness. CW4100 = 100mm thickness.

See the breakdown below.

PIR Cavity Wall Board – CELOTEX CW4000

CW meaning ‘Cavity Wall’ boards. These boards are available in thicknesses ranging from 40mm to 100mm. The CW products are high performance boards provided in sizes designed to fit masonry cavity wall applications.

Product Code Thickness Size R-Value
CW404040mm2400mm x 1200mm1.80
CW405050mm2400mm x 1200mm2.25
CW406060mm2400mm x 1200mm2.70
CW407575mm2400mm x 1200mm3.40
CW408585mm2400mm x 1200mm3.85
CW4100100mm2400mm x 1200mm4.50

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