Celotex 25mm TB4025 2.4m x 1.2m

Frequently Bought Together

OSB3 Board 2440mm x 1220mm x 11mm

OSB3 board is a strong, versatile board suitable for structural use in humid conditions and in keeping with current construction methods of working towards healthier homes.

View Product »

Celotex PL4000 Insulated Plasterboard

Celotex PL4000 Insulated Plasterboard is the ultimate time-saving and energy-efficient solution for your construction and insulation needs.

View Product »

Knauf Loft Roll 44 Combi-Cut

Knauf Loft Roll 44 Combi-Cut offers superior thermal and acoustic insulation with low-density glass mineral wool, perfect for pitched roofs and timber floors, ensuring safety and efficiency.

View Product »

Knauf Wallboard Tapered Edge Plasterboard

The Knauf wallboard is high quality plasterboard built with an ivory paper face for direct decoration or to deliver a perfect plaster finish.

View Product »

• Celotex TB4025 is a 25mm high-performance PIR insulation board designed for diverse building applications, ensuring thermal efficiency and energy savings.
• The board is made from polyisocyanurate with fire retardants, adhering to strict environmental standards.
• With over 90 years of experience, it is a popular and easily accessible choice for contractors in various construction projects.

Celotex TB4025 is a 25mm general purpose insulation board designed to prevent heat loss or excessive build-up of heat. It is a high-performance PIR board that guarantees a thermally efficient solution while reducing energy needs all through the lifetime of the building structure. This insulation board is an obvious choice if you are looking to improve your habitable space while making savings on your energy bills. 

The Celotex TB4025 insulation boards are used in buildings all across the country, and in all sorts of applications, such as pitched roofs, flat roofs, solid walls, timber and steel framed systems as well as floors. Although the U-Value differs depending on the application, a simple online calculator will help you determine the correct U-Value. 

25mm Celotex TB4025 is made from an organic polymer known as polyisocyanurate to which fire retardants are then injected. The manufacturing of this board follows a strict process in lines with stringent environmental requirements. With over 9 decades of experience, Celotex insulation board is used day in day out on construction and building sites. This economical product is readily available making it a go-to product that many contractors are already familiar with. 

For more in-depth information regarding this 25mm Celotex TB4025 Thermal Bridging pir insulation board, navigate to the Datasheets tab to consult the manufacturer datasheet.

Product Specification of 25mm Celotex TB4025

• Thermal Conductivity: 0.022 WmK
• Width: 1200mm
• Length: 2400mm
• Thickness: 25mm
• Foil Facing

How to store pir insulation board TB4025

Celotex TB4025 insulation boards must be stored in a dry place, preferably using timber or palettes facing down to avoid damaging the product. If you are not sure if your storage facility will suit Celotex storage advice a member of our team is available to answer your questions via chat or by phone: 020 3582 6399

Certifications of 25mm Celotex TB4025

The Celotex TB4025 is certified by BBA with the certificate number 17/5405 and 16/5352. This insulation board has received an A+ rating in BRE Green Guide.

Other Celotex Products:

Celotex GA4000 General Purpose PIR Insulation Board: This is a versatile, general-purpose insulation board suitable for a wide range of applications, such as roofs, walls, and floors.

Thermaclass Cavity Wall 21: Specifically designed for cavity wall insulation, this product offers excellent thermal performance, reducing heat loss and energy consumption.

165mm Celotex XR4165: With a thickness of 165mm, this Celotex insulation board provides even better thermal performance for various applications.

Celotex XR4000 Insulation Board: A high-performance insulation board available in various thicknesses to suit different project requirements.

140mm Celotex XR4140: This 140mm thick Celotex insulation board offers excellent thermal performance for multiple building applications.

110mm Celotex XR4110: With a thickness of 110mm, this insulation board is a great choice for projects requiring high-performance insulation.

Celotex CavityWall 47mm: Designed for partial-fill cavity wall insulation, this 47mm thick board provides superior thermal performance and moisture resistance.

Frequently Asked Questions

What is the thermal conductivity of the 25mm Celotex TB4025 insulation board? The thermal conductivity of the 25mm Celotex TB4025 insulation board is 0.022 WmK.

Can the Celotex TB4025 insulation board be used for various applications? Yes, the Celotex TB4025 insulation board is suitable for a variety of applications, including pitched roofs, flat roofs, solid walls, timber and steel framed systems, and floors.

Is the Celotex TB4025 insulation board environmentally friendly? Yes, the manufacturing process of the Celotex TB4025 insulation board follows strict environmental guidelines to minimize its environmental impact.

What are the dimensions of the 25mm Celotex TB4025 insulation board? The dimensions of the 25mm Celotex TB4025 insulation board are 1200mm in width, 2400mm in length, and 25mm in thickness.

What certifications does the 25mm Celotex TB4025 insulation board have? The Celotex TB4025 insulation board is certified by BBA with certificate numbers 17/5405 and 16/5352. It also has an A+ rating in the BRE Green Guide.

Is the 25mm Celotex TB4025 insulation board suitable for both new constructions and retrofit applications? Yes, the 25mm Celotex TB4025 insulation board is suitable for both new constructions and retrofit applications, making it a versatile choice for various building projects.

Customer Feedback

The Celotex 25mm TB4025 insulation board has received positive reviews from customers who have used it. Many have noted that the product effectively improves thermal efficiency in a variety of applications while maintaining an environmentally friendly manufacturing process. Customers appreciate the fact that the insulation board is versatile, being suitable for use in pitched roofs, solid walls, and floors.

The TB4025 insulation board's high-performance has been praised by many customers, who have experienced reduced energy bills and a more comfortable living environment after installation. Customers have also found the product's dimensions of 2.4m x 1.2m to be easy to work with, and the foil facing on the board enhances thermal performance and acts as a vapor barrier.

Overall, customers have found the Celotex 25mm TB4025 insulation board to be a versatile, high-performance, and environmentally friendly solution for their insulation needs. They would recommend it to others who are looking for a top-quality insulation product.

Delivery will always take place on a weekday (Mon - Fri).
For more information on delivery visit our delivery info page.