Buy Cellecta’s XROOF 300L extruded polystyrene thermal insulation boards Leave a Comment / Accessories / By Will Walton Cellecta’s XROOF 300L extruded polystyrene thermal insulation boards are designed specifically for inverted roof applications where a high resistance to compression, closed cell structure and very low water absorption is essential to provide long term energy savings.Excellent life-long thermal performance High compressive strength >300kPa Closed cell structure Very low water absorption 100% RecyclableBuy 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