Celotex is a leading manufacturer of high-performance polyisocyanurate (PIR) thermal insulation boards in the UK. As such, when you choose Celotex insulation, you are accessing an unrivalled product and service package that has evolved through a process of constant innovation spanning eight decades. All of our products are manufactured at our two production facilities, Hadleigh in Suffolk and Eggborough in Yorkshire The evolution continues with intensive product development to ensure that our product range provides thermal insulation solutions that meet the requirements of current legislation as well as the demands of building professionals, specifiers and users. These developments are represented in our depth of product offer; our Read more