Competitive Trade Pricing with quantity discounts. Online supplier of Kingspan K15 insulation - Lowest UK Prices.

Kingspan Kooltherm K15 Rainscreen Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core. Offering thermal conductivities as low as 0.021 W/mK, it is suitable for use behind rainscreen cladding systems and masonry façades systems.

Have a browse of our 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 Insulation Boards for your project, or get a quantity discount quotation please call us on 02039519012 , email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK Prices.