The Cellecta Hexatherm XROOF 500L (160mm) is a high-performance extruded polystyrene XPS insulation board developed for inverted flat roof systems where strength, moisture resistance, and thermal efficiency are critical. Its closed-cell structure ensures long-term durability, making it suitable for residential, commercial, and industrial roofing applications across the UK.
Engineered to withstand heavy loads, this insulation board delivers dependable performance in demanding environments such roof applications where a ultra-high resistance to compression, such as plant rooms and podium decks.
Please refer to the Downloads tab on this product page to access the official Cellecta HEXATHERM XROOF 500 datasheet and installation guide.








