Suitable for almost any floor construction including:

• Below a screed;
• Below chipboard.

Application fields include:

• Ground floor – insulation below slab;
• Ground floor – insulation above slab (floating floor);
• External wall – below damp proof course (DPC);
• Underfloor heating systems;
• Basements.

A rigid extruded polystyrene (XPS) board, highly resistant to compression and withstand both occasional and long term static loads.

Features and benefits:

• For residential floors.
• 25 to 75 mm square edged boards; 100 mm lap jointed board.
• Very high compressive strengh.
• Protects the damp proof membrane from damage.
• Highly resistant to water absorption.
• Robust and can tolerate traffic from following trades.
• Represents no known threat to the environment and has zero Ozone Depletion Potential (ODP) and a Global Warming Potential (GWP) of less than five.
• 100% recyclable.
• BBA approved.
• BRE Environmental Product Declaration (EPD).
• BES 6001 Responsible Sourcing for Construction Products.

Technical characteristics:

• Vapour resistivity: The XPS content of Polyfoam Floorboard Standard has a water vapour resistivity of 625 MNs/g·m when tested in accordance with EN 12086.
• Moisture absorption: 0.7% by volume when tested in accordance with EN 12087.
• Moisture resistance: Resistant to moisture absorption and can be laid in standing water with negligible impact on the performance of the product as determined by testing to EN 12087.
• Durability: Continuous service temperature limits up to +70ºC.