Celotex Insulation are a leading brand of insulation in the UK . We are leading suppliers of insulation products. Celotex Insulation are market leaders in domestic insulation products. If it is not listed on our website please call. If you have a large quotation please call us and we will be happy to quote you over the phone at highly competitive prices. Choosing the right insulation is a big decision. Celotex insulation are one of the leading providers of PIR insulation board and we offer the cheapest prices online. Celotex insulation comes in a variety of thicknesses including 25mm, 50mm, 75mm, 100mm, 125mm, 150mm, 200mm and is suitable for all uses such as roof insulation, floor insulation and wall insulation.