70mm Kooltherm K103 presents itself as an exceptional floor insulation board designed for superior performance. It is specifically engineered to be used with solid concrete or suspended timber floors. With an impressive thermal conductivity of 0.019 W/mK, it ensures excellent thermal efficiency. Whether for new build constructions or refurbishment projects, 70mm Kingspan Kooltherm K103 proves to be an ideal choice.
Brand: Kingspan
Thickness: 70mm
Length: 2400mm
Width: 1200mm
Dimensions: 2,400mm x 1,200mm x 70mm
Coverage: 11.52m2
Density: 40kg/m3
Compressive Strength: >120 (kPa)
Material: 70mm K103 is a premium performance lower-lambda rigid thermoset phenolic insulation.
Profile: Square Edge
R-Value: 3.65m2K/W
Thermal Conductivity: Kingspan K103 has a thermal conductivity of 0.019 W/mK across all thicknesses.
Weight: 2.67 kg ( Approximate weight of 3.70 kg/m2 at a thickness of 100 mm. )
Fire Classification: achieves Euroclass C-s2,d0 when classified to EN 13501-1: 2018.
Vapour Resistivity: 370MNs/gm
Facings: Faced on both sides with a glass tissue based facing, autohesively bonded to the insulation core during manufacture.
Finish: Glass tissue facings
Pack Quantity: 4
Applications: Insulation for floors ǀ Underfloor Heating Insulation
BBA Certified: Yes (no. 16/5299)
Vapour Control Layer: Yes
Features: Premium ǀ Non-deleterious
70mm Kooltherm floor insulation boards are extremely lightweight, making them easy to transport, handle and install.
70mm Kingspan Kooltherm K103, manufactured at Kingspan Insulation facility in Pembridge, Herefordshire, features a glass tissue based facing bonded to the insulation core during the manufacturing process. This facing is present on both sides of the insulation board, ensuring a secure and durable attachment.
70mm Kingspan K103 Phenolic insulation comprises a premium performance rigid thermoset phenolic insulant as its core. This insulation material is free from fibers and manufactured using a blowing agent that has no Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). The result is an environmentally friendly insulation solution that provides exceptional thermal performance.
Have a browse of our Kingspan stock and filter by thickness or coverage on the left-hand side of the page. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us by phone on +4402039519012 , email sales@insulationstoreonline or Live Chat - Lowest UK Insulation Prices.









