Architects are under more pressure than ever to deliver buildings that perform – thermally, structurally, and sustainably. The Polyfoam XPS Orange Book has been created to give clarity and confidence when specifying extruded polystyrene insulation across a wide range of applications.
The guide brings together the latest technical data, installation guidance, detailing consideration, and performance insights – all in one accessible resource designed specifically for architects and specifiers.
Whether you’re designing inverted roofs, basements, car parks, or heavy-duty commercial floors, the Orange Book provides the information you need to make informed decisions and achieve long term performance.

