50mm Polyfoam XPS Roofboard - Extra grade - Extruded Polystyrene Board (pack of 9) - 600mm x 1250mm

50mm Polyfoam XPS Roofboard - Extra grade is a high strength (kPA 300) extruded polystyrene board (XPS) with high compressive strength highly resistant to water absorption  suitable for roofing applications. It is a lap jointed board and withstands both occasional and long term static loads. Polyfoam XPS Roofboard - Extra grade boards allows a range of ballast materials including gravel, soil and concrete slabs to be used as part of the construction.

• Lap Jointed Board with a 15mm overlap,
  
• Excellent thermal conductivity,
• High compressive strength,
• Highly resistant to water absorption,
• Able to resist repeated freeze/thaw cycles,
• Long term dimensional stability
  
• Tough and durable, not easily damaged,
• 100% recyclable
  

• All kinds of roofs,
• Roofs, where ballast materials are used,
• In an inverted roof below ballast or paving slabs,
• In a green/garden roofs.

• BRE Green Guide Specification: Grade A,
• Raw material procurement is certified to BES 6001 (Responsible Sourcing of Construction Products),
  
• Products are manufactured to an ISO 9001:2015 Quality Management System, an ISO 14001:2015 Environmental Management System, an ISO 50001 Energy Management System, and an OHSAS 18001 Occupational Health & Safety Management System.