Reaction to Fire Euro Class
Class E
Reaction to Fire BS476 Standard
Classified as Euroclass E; does not meet legacy BS 476 surface spread criteria.
Fire Resistance Minutes
0 Minutes: Designed for moisture control, load distribution, and insulation, not as a fire-resistant barrier.
Material
Extruded Polystyrene (XPS)
Usage
Designed as a low-profile thermal barrier beneath electric underfloor heating on solid floors, bathrooms, wetrooms, and kitchens, it prevents heat loss into cold screeds and directs heat upwards to warm the floor faster.
Coverage
0.72 m2 per board
Thermal Conductivity
0.034 W/mK
Thermal Resistance R Value
0.18 m2K / W
Heat Loss U Value
5.55 W / m2K
Certifications Met
DIN 52612, ISO2896 & EN 12667:2001
Type
Tile Backer & Underfloor Heating Insulation Board