Buy Kingspan Thermaroof TR26 Leave a Comment / Accessories / By Will Walton Kingspan Thermaroof TR26 is a high performance insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core.It is suitable for flat roofs waterproofed with mechanically fixed single-ply waterproofing, and has a thermal conductivity of 0.022 W/mK.Buy yours with us today at www.insulationbee.co.uk or speak to one of our friendly staff on 02038839057 Please enable JavaScript in your browser to complete this form.NameDelivery Postcode *Email *Your request *Please include product name and quantitiesSubmit your quote Related