40mm Kingspan Kooltherm K103 Floorboard (pack of 8)
40mm Kingspan Kooltherm K103 Floorboard (pack of 8)
Price: £391.43 (£469.72 inc VAT)
Price per m2: £16.99/m2 (£20.39 inc VAT)
- Product Code: A1-2077
- Delivery Time: 3 - 7 days
- Brand: Kingspan (Tech. support: 01544388601)
- Model: 2400x1200mm - 23.04m2
- Weight: 36.86kg
Our ratings on 17-04-2026:
4.8 out of 5
40mm Kingspan Kooltherm K103 Floorboard (pack of 8)
Width: 1200mm
Length: 2400mm
Pack Quantity: 8
Density: 40kg/m3
Weight/m2: 1.6kg
Weight: 36.86kg
Thermal Conductivity: 0.019W/mK
R-Value: 2.11m2K/W
Compressive Strength: 120kPa
40mm Kingspan Kooltherm K103 Floorboard is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core. The board faced on both sides with a glass tissue based facing, autohesively bonded to the insulation core during manufacture. It used for insulating beam and block, concrete, and timber floors. If correctly installed, Kingspan Kooltherm K103 Floorboard can have an indefinite life. Its durability depends on the supporting structure and the conditions of its use.
APPLICATION
- Beam and Dense Block Ground Floors
- Suspended Timber Ground Floor
- Solid Concrete Ground Based Floor

- Premium performance rigid thermoset insulation
- Unaffected by air infiltration
- Resistant to the passage of water vapour
- Fire Rating (Reaction to Fire) - Euroclass: C-s2,d0
- Easy to handle and install can reduce the cost of related items - soil removal, service connections
- Ideal for new build and refurbishment
- Resistant to short term contact with petrol and with most dilute acids, alkali and mineral oils
- Resist attack by mould and microbial growth, and do not provide any food value to vermin

Kingspan Kooltherm K103 is manufactured under a
- management system certified to ISO 9001: 2015 (Quality management systems),
- ISO 14001: 2015 (Environmental management systems),
- ISO 37301: 2021 (Compliance management systems),
- ISO 45001: 2018 (Occupational health and safety management systems)
- ISO 50001: 2018 (Energy management systems).
BBA Certificate 16/5299
Brand: Kingspan
Model: 1200mm x 600mm - 2.88m2
Delivery Time: 3 - 4 days
130mm Kingspan K-Roc Rainscreen Slab is a Class A1 reaction to fire rigid rock mineral fibre insulation slab used in rainscreen cladding applications in all buildings and is BBA certified. The board is very easy to cut and shape by using a saw or a sharp knife. It is very durable when properly ..
Brand: Kingspan
Model: 1200mm x 450mm - 5.4m2
Delivery Time: 1 - 5 working days
50mm Kingspan Thermapitch TW50 is a high-performance rigid insulation board designed specifically for use in cavity wall applications, particularly in new build and refurbishment projects. Manufactured using a premium polyisocyanurate (PIR) core, this insulation board offers exceptional thermal perf..
Guide Price: £139.57
£167.48 inc VAT
Brand: Kingspan
Model: Kooltherm 60/15mm
Delivery Time: 1 - 2 days
Kooltherm FM Pipe Insulation comprises sections of Kooltherm FM Insulation faced with a factory-applied foil vapour barrier jacket autohesively bonded to the insulation core during manufacture. Kooltherm FM Pipe Insulation is available in a range of thicknesses to suit different performance specific..
£9.01
£10.81 inc VAT
Brand: Kingspan
Model: 2400mm x 1200mm - 40.32m2
Delivery Time: 3 - 5 days
57.5mm Kingspan Kooltherm K118 Insulated Plasterboard is a premium performance, lower lambda internal wall insulation, with a fibre-free rigid thermoset phenolic core. It has a 12.5mm plasterboard bonded to its front surface and a composite foil based facing on its reverse surface. It is suitable fo..
£1,291.67
£1,550.00 inc VAT
Brand: Kingspan
Model: Kooltherm 54/25mm
Delivery Time: 1 - 2 days
Kooltherm FM Pipe Insulation comprises sections of Kooltherm FM Insulation faced with a factory-applied foil vapour barrier jacket autohesively bonded to the insulation core during manufacture. Kooltherm FM Pipe Insulation is available in a range of thicknesses to suit different performance spe..
£12.93
£15.52 inc VAT
Brand: Kingspan
Model: 1.5m x 50m - 75.00m2
Delivery Time: 5 - 7 days
Kingspan Nilvent provides a completely watertight structure under normal weather conditions. It is highly water-resistant and has the added advantage of self-sealing around nail penetrations. These properties mean that it can be safely used even in constructions with a large number of nail penetrati..
Guide Price: £130.00
£156.00 inc VAT