Kingspan
Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
SKU:TR26 25mm
Est Delivery between 6th Feb and
12th Feb.
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
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Product Information
These products are sold in pack quantities only. Price listed is per pack. Please see pack quantities below.
Thickness | Boards Per Pack | Coverage Per Pack |
---|---|---|
25mm | 12 | 34.56m2 |
50mm | 6 | 17.28m2 |
60mm | 5 | 14.4m2 |
70mm | 4 | 11.52m2 |
80mm | 4 | 11.52m2 |
90mm | 3 | 8.64m2 |
100mm | 3 | 8.64m2 |
105mm | 3 | 8.64m2 |
110mm | 3 | 8.64m2 |
120mm | 2 | 5.76m2 |
125mm | 2 | 5.76m2 |
130mm | 2 | 5.76m2 |
140mm | 2 | 5.76m2 |
150mm | 2 | 5.76m2 |
Discover the Kingspan Thermaroof TR26 Flat Roof Board, your go-to solution for superior flat roof insulation. This rigid, fibre-free polyisocyanurate board offers high performance and easy installation, measuring at 2400mm x 1200mm. With features like compatibility with PVC single-ply waterproofing, resistance to water vapor and environmental certifications, including ISO 14001:2015, it's the ideal choice for new builds or refurbishments. Trust Kingspan for durable, CFC and HCFC-free insulation that exceeds industry standards.
Key Features
- High performance rigid thermoset insulation.
- Highly compatible with all mechanically fixed PVC single–ply waterproofing systems.
- Resistant to the passage of water vapour.
- Easy to handle and install compared to some other commonly used insulants
- Ideal for new build and refurbishment.
- CFC and HCFC free.
- Resistant to solvents,fungi & rodents.
- Durable.
Specifications
- Thermal conductivity: 0.022 W/m.K.
- Compressive strength at 10% compression : 150 kPa
- Water vapour resistance: 300 MN.s/g (for the core)
- Kingspan Thermaroof TR26 is available with FM Approval to FM 4470 - please see the product brochure or search 'Kingspan Therma' on the FM Approvals online listing website for the conditions of approval.
Standards
- BS EN ISO 9001: 2015
- BS EN ISO 14001: 2015
- ISO 45001: 2018 (Occupational Heath & Safety Management Systems. Requirements with guidance for use)
Frequently Asked Questions
What makes the Kingspan Thermaroof TR26 a suitable choice for flat roofs? The Thermaroof TR26 is a rigid, fibre-free polyisocyanurate insulation board designed for optimal flat roof performance. Its compatibility with PVC single-ply waterproofing systems and resistance to water vapor make it an ideal solution.
Is the installation process complicated? No, installation is easy and straightforward. The board is designed for convenience, with a size of 2400mm x 1200mm, making it manageable for various projects, whether it's a new build or a refurbishment.
How does it contribute to environmental sustainability? The Thermaroof TR26 is CFC and HCFC free, manufactured to high environmental standards, and certified to ISO 14001:2015 and BES 6001, ensuring a minimal impact on the environment.
What is the thermal conductivity of the TR26 board? The board boasts a high-performance thermal conductivity of 0.022 W/m.K, providing excellent insulation for flat roofs.
Is the board resistant to external factors such as solvents, fungi, and rodents? Yes, the TR26 is resistant to solvents, fungi, and rodents, ensuring durability and longevity.
Can it be used for both new build and refurbishment projects? Absolutely. Whether you're starting from scratch or upgrading an existing structure, the TR26 is an ideal choice for both new build and refurbishment projects.
What certifications does the product hold? The Thermaroof TR26 is certified to ISO 14001:2015 and BES 6001, demonstrating its commitment to environmental and sustainable practices.
Technical Specifications
Coverage per sheet | 2.88m2 |
Length | 2400mm |
Material type | Polyisocyanurate (PIR) insulation |
Thermal conductivity | 0.022 W/mK |
Width | 1200mm |
Datasheets
Delivery Information
Est Delivery between 6th Feb and
12th Feb.


Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact delivery charge will be calculated at checkout based on your order and location.
Frequently asked questions
Can you help me pick the right insulation for my project?
Yes, of course!
Our team is ready to assist you with any questions and queries you may have.
Just reach out to us via any of the following methods:
Call us: 020-3582-6399
Email us: sales@i4lgroup.co.uk
or click the Livechat tab at the bottom of your screen.
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email customerservice@i4lgroup.co.uk with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
Do you really have the best prices online?
Yes! We even have a price match guarantee.
We are so confident that we have the best prices out there that we will match the price of any other online or local retailer.
If you find the same product cheaper elsewhere, we will match the price — just send us the quote or website link.
Read more: Price Match Guarantee
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@i4lgroup.co.uk with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Can I open a trade account?
Yes! Trade customers can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a Trade Account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via customerservice@i4lgroup.co.uk or call 020-3582-6399 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns
What is your returns policy?
Changed your mind about your order? no problem! we offer a 14 day returns period after your order is delivered.
To avail of this your order must be unused, in its original packaging, and suitable for resale.
Refunds are issued immediately after the goods are received and inspected by our team.
If an item arrives damaged or incorrect, you must notify us within 48 hours of delivery.
Prior approval is needed before returning any goods – do not return without authorization.
Special order items are exempt from returns.
Read more: Returns