70mm Kingspan Kooltherm K103 Floorboard (pack of 4)




70mm Kingspan Kooltherm K103 Floorboard (pack of 4)
Price: £305.89 (£367.07 inc VAT)
Price per m2: £26.55/m2 (£31.86 inc VAT)
2 or more £322.19 (£386.63 inc VAT)
3 or more £316.82 (£380.18 inc VAT)
4 or more £308.76 (£370.51 inc VAT)
- Product Code: A1-2082
- Delivery Time: 3 - 7 days
- Brand: Kingspan (Tech. support: 01544388601)
- Model and Size: 2400x1200mm - 11.52m2
- Weight: 32.26kg
Our ratings on 30-05-2025:

4.8 out of 5
70mm Kingspan Kooltherm K103 Floorboard (pack of 4)
Width: 1200mm
Length: 2400mm
Pack Quantity: 4
Density: 40kg/m3
Weight/m2: 2.8kg
Weight: 32.26kg
Thermal Conductivity: 0.019W/mK
R-Value: 3.68m2K/W
Compressive Strength: 120kPa
70mm 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: 2400mm x 1200mm - 2.88m2
Delivery Time: 3 - 5 days
82.5mm 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..
Guide Price: £99.05
£118.86 inc VAT
Brand: Kingspan
Model and Size: 2400mm x 1200mm - 8.64m2
Delivery Time: 3 - 5 days
85mm Kingspan Kooltherm K110 Soffit Board is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core, a 6mm glass tissue based facing on its front surface and low emissivity composite foil on its reverse surface. CHARACTERISTICSSafe and easy to handle and instal..
Guide Price: £326.65
£391.98 inc VAT
Brand: Kingspan
Model and Size: 1200mm x 600mm - 7.20m2
Delivery Time: In Stock 1-2 working days
50mm Kingspan Kooltherm K5 External Wall Insulation Board is a premium performance external wall insulation board specifically designed for masonry walls. It features a rigid phenolic foam core, providing exceptional thermal insulation properties that help reduce energy consumption and enhance the o..
£145.20
£174.24 inc VAT
Brand: Kingspan
Model and Size: 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
Brand: Kingspan
Model and Size: 1200mm x 2400mm - 5.76m2
Delivery Time: 5 - 7 days
120mm Kingspan Kooltherm K112 Framing Board is a high-performance insulation solution designed specifically for use in framed buildings. This rigid phenolic foam board offers exceptional thermal performance, with a low thermal conductivity of just 0.019 W/m·K, making it one of the most efficient ins..
Guide Price: £345.09
£414.11 inc VAT
Brand: Kingspan
Model and Size: 2400mm x 1200mm - 11.52m2
Delivery Time: 2 - 3 weeks
80mm Kingspan Kooltherm K107 Pitched Roof Board is the rafter/joist level insulation comprising a premium performance rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing. Its reflective, low emissivity surface improves the thermal resistance of an..
£372.04
£446.45 inc VAT