Verified by manufacturer 2 months ago
XPS Layer is a rigid, closed cell type extruded polystyrene board with integral high density skin.
For use in the ProTherm Quantum VIP Insulation System installed over any BBA Certified Inverted roofing systems.
ProTherm XPS Layer is used to complement the thermal performance of ProTherm Quantum VIP Panels, and as a packer board to achieve a required height in ProTherm Quantum ‘Hybrid’ systems.
Features and benefits:
Extruded polystyrene board.
1250 x 600 mm
J42/27 Thermal insulation
J21/415 Extruded polystyrene (XPS) insulation
J42/415 Extruded polystyrene (XPS) insulation
J21/10 Warm deck roof coating
J21/25 Warm deck roof insulation
To BS EN 13164.
Third party product certification
British Board of Agrément (BBA) Certification.
To BS EN 13501-1, Class E.
Compressive strength (minimum) at 10% compression
To BS EN 826, 300 kPa.
Thermal conductivity (maximum)
To BS EN 13164, 0.030–0.031 W/mK.
Thickness: 50 mm — 80-200 mm.
Face size (length x width)
1250 x 600 mm.
To BS EN 160, 34 kg/m³.
Compressive creep (design load) maximum 2% deflection after 50 years
To BS EN 1606, 130 kN/m².
Long term water absorption by immersion (28 days).
To BS EN 12087, <0.7 %.
(Long term water absorption by diffusion: To BS EN 12088, <3 %).
Freeze thaw cycle
After 300 cycles.
To BS EN 12091, <1 %.
Water vapour diffusion resistance
To BS EN 12086, 80–200 %.
Linear thermal expansion coefficient