25mm Kingspan Kooltherm K103 Floorboard (pack of 12)




25mm Kingspan Kooltherm K103 Floorboard (pack of 12)
Price: £428.04 (£513.65 inc VAT)
Price per m2: £12.39/m2 (£14.86 inc VAT)
2 or more £460.01 (£552.01 inc VAT)
3 or more £452.34 (£542.81 inc VAT)
4 or more £440.84 (£529.01 inc VAT)
- Product Code: A1-2076
- Delivery Time: 3 - 7 days
- Brand: Kingspan (Tech. support: 01544388601)
- Model and Size: 2400x1200mm - 34.56m2
- Weight: 34.56kg
Our ratings on 30-04-2025:

4.7 out of 5 - Excellent


4.8 out of 5
25mm Kingspan Kooltherm K103 Floorboard (pack of 12)
Width: 1200mm
Length: 2400mm
Pack Quantity: 12
Density: 40kg/m3
Weight/m2: 1kg
Weight: 34.56kg
Thermal Conductivity: 0.019W/mK
R-Value: 1.32m2K/W
Compressive Strength: 120kPa
25mm 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 and Size: 1200mm x 2400mm - 11.52m2
Delivery Time: 3 - 5 days
70mm Kingspan Kooltherm K10 Soffit Insulation Board is a premium performance insulation solution specifically designed for soffit applications. It comprises a fibre-free rigid thermoset phenolic insulation core, which delivers exceptional thermal performance with a low thermal conductivity of just 0..
Guide Price: £277.72
£333.26 inc VAT
Brand: Kingspan
Model and Size: Kooltherm 18/25mm
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 specific..
Brand: Kingspan
Model and Size: 1250x600mm - 5.25m2
Delivery Time: 3 - 5 days
60mm Kingspan GreenGuard GG300 XPS Board is an insulation for inverted roofs, basements, car park decks, and heavy-duty commercial, industrial and cold store flooring. They have high compressive strength, and a closed cell structure which resists the absorption of ground water and the passage of wat..
£110.57
£132.68 inc VAT
Brand: Kingspan
Model and Size: 1200x600mm - 3.60m2
Delivery Time: 3 - 5 days
100mm Kingspan Thermaroof TR24 is a rigid insulation board used for flat roof insulation, consisting of a rigid thermoset insulation core, covered with a glass tissue coated with bitumen. Its upper surface is finished with a thermo fusible polypropylene fleece, while the lower surface is covered wit..
£112.66
£135.19 inc VAT
Brand: Kingspan
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1 - 5 working days
60mm Kingspan TF70 is a high-performance floor insulation board specifically designed to improve thermal efficiency in both new builds and renovation projects. Constructed from rigid polyisocyanurate (PIR) foam, it offers exceptional thermal resistance, effectively minimising heat loss and helping t..
£64.58
£77.50 inc VAT
Brand: Kingspan
Model and Size: 1200x2400 - 25.92m2
Delivery Time: 3 - 5 days
126mm Kingspan Thermaroof TR31 is the flat roof insulation comprising a 120mm high performance rigid PIR thermoset insulation core faced with an FSC certified 6 mm nominal thickness WBP exterior grade plywood on its upper surface and a low emissivity composite foil facing on its lower sur..