Trust Pilot Rated 4.6
Free Delivery Over £400 ex vat
Trust Pilot Rated 4.6
Free Delivery Over £500 ex vat
Trust Pilot Rated 4.6
Free Delivery Over £400 ex vat
Trust Pilot Rated 4.6
Free Delivery Over £400 ex vat
SKU: KGS-50818
Safe & Secure Payments
The 25mm Kingspan Kooltherm K103 Floor Insulation Board is a highly efficient thermal insulation solution designed for various floor buildups. It has a thermal conductivity of just 0.018 W/mK, making it the most thermally efficient product available. This lightweight and rigid insulation board is easy to handle, making it suitable for both new builds and refurbishment projects.
The Kingspan Kooltherm K103 Floor Insulation Board features a fibre-free rigid thermoset phenolic core sandwiched between glass tissue facings on both sides. This construction provides excellent thermal performance and durability. The boards are manufactured with an environmentally-friendly blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). With an indefinite lifespan, these boards offer long-term energy savings and reduce heating costs.
The Kingspan Kooltherm K103 Floor Insulation Board offers exceptional thermal performance, reducing heat loss and improving energy efficiency. With a thermal conductivity of 0.018 W/mK, it provides superior insulation compared to other materials. The boards are resistant to air infiltration and the passage of water vapor, ensuring a well-insulated and moisture-free floor.
Before installation, it is important to inspect the space under the floorboards for any signs of rot or structural issues. The boards can be placed between the floor joists, ensuring a snug fit. While securing the boards with equipment is recommended, it may not always be necessary. It is advisable to consult a professional for proper installation guidance.
The Kingspan Kooltherm K103 Floor Insulation Board is manufactured to the highest standards. It is certified under ISO 9001:2015 (Quality Management Systems), ISO 14001:2015 (Environmental Management Systems), ISO 45001:2018 (Occupational Health and Safety Management Systems), and ISO 50001:2018 (Energy Management Systems). The use of K103 boards is covered by BBA Certificate 16/5299.
Kingspan is a leading manufacturer of rigid thermoset insulation materials. With a commitment to sustainability and innovation, Kingspan produces high-quality insulation products that meet the highest industry standards. The Kooltherm K103 Floor Insulation Board is a testament to Kingspan's dedication to energy efficiency and environmental responsibility.
Orders under £250 Ex VAT
Orders between £250 - £500* Ex VAT
Orders over £500 Ex VAT
We offer tiered delivery pricing to keep things clear and transparent. Delivery charges are calculated based on your order total before VAT and will be shown clearly at checkout. We are a TRADE SITE built for larger orders with keen pricing to match.
if the charge is higher than this or your post code is coastal / hard to get to, it could be out of our delivery zone. Get in touch and we can assist. There are parts of the UK that we don't deliver to and this will be marked at checkout. (N Ireland and Scotish Highlands). If this occurs upon your checkout, please reach out the team and we will see what we can do via a 3rd party supplier.
Standard Dispatch Times
Orders must be placed by 1:00 PM Monday to Thursday to be eligible for next-day dispatch (where applicable). Orders placed after 1:00 PM on Fridays will be processed the following Monday. All products have the availability days marked, so use this as a guide.
We offer this service to alleviate confusion for you and reduce communication for us all. It gives us an idea on when you would like the order to be delivered.
It is NOT a garaunteed delivery date. Picking next day WILL NOT get you next day - unless you pay for it.
We understand scheduling of larger materials to your project is important, thus having your preference is very helpful for us. Please note this works in tandem with the availability of the product. We can NOT fulfill any orders before the avability days set on the product, even if the date insert tool allows it.
There may be situations where if specified a preference date is given, we may not always be able to deliver on that date. We WILL do our best to comunicate accurate delivery times via email after the order is placed, so no need to worry.
After you specified a date we will do our best to deliver on that date, you will be notified within 24-48 hours if we can not fill that day but will strive to get a slot as close as possible to that date. We do not deliver on weekends, so all orders specified with weekend delivery will be shifted to the week after.
If you need to reschedule your delivery, let us know as soon as possible. You’ll be notified of any changes via email or phone. We can not change delivery dates if you leave it within 24 hours of confirmed booked date.
Someone must be on-site to sign for and assist with unloading materials. All deliveries are kerbside only. Upon delivery:
Important: Signing a delivery as “unchecked” means the goods are accepted in good condition.
Responsibility for goods transfers to you upon delivery. We reserve the right to charge a failed delivery fee if access is restricted for the vehicle specified on the order, Redelivery charges are £50 ex vat. Collection charges are £50 ex vat
Every transaction is recorded, and the delivery fees are determined on whether or not the recipient is ready to receive the package. This covers manual or automated offloading of heavy items. Offloading equipment, such as a tail lift or forklift, may be requested; however, there may be an additional fee if the site is difficult to access or we have a parking / access restrictions or the products are of considerable size..
We may be forced to offer an equivalent high-quality substitute product at no extra cost to our customer from time to time give the UK market conditions and stock supply in your area. They will be like for like and be chose by you with the liability on person orders if chosen on the option to accept yes is marked.
Our suppliers reserve the right to refuse to make a delivery, if you have not informed either us or the supplier of any access restrictions at either the time of placing the order or 24 hours before the delivery.
Restricted access includes, but is not limited to: double yellow lines, a red route, narrow lanes, steep hills, low bridges, or width restricted
At The Time Of Placing The Purchase Or 24 Hours Before Delivery. Delivery Will Be Managed With Below Partners Or 3rd Party Fulfilment.
155,000+
Product items shipped2958+
Successful orders98%
Customer satisfaction69%
Repeat Trade Order RateExperience the Builders Insulation Difference
Affiliations