HPL FlexStab sandwich panel
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24 mm36 mm40 mm44 mm48 mm
Available dimensions
(other variants available on request)
Thickness:
Available dimensions
depends on the outer layer
-
Joinery
reinforced door and façade panels
Application
FlexStab is a lightweight yet robust sandwich panel combining the high surface resistance of HPL laminate with the excellent thermal insulation properties of an XPS core. The construction is further enhanced by an integrated compensating insert, positioned between the outer HPL facing and the XPS core.
This insert performs a stabilizing function by reducing stresses caused by changing environmental conditions such as temperature fluctuations and humidity variations. As a result, the panel offers improved dimensional stability, maintained flatness, and long-lasting aesthetic performance — even under demanding operating conditions.
FlexStab is engineered for durability, reliability, and real-world performance of door leaf systems.
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Resistance to damage and moisture
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Resistance to weather conditions and UV radiation
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Wide range of colors
Key features
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Outer layer: HPL laminate
High-pressure thermosetting laminate, thickness: 2 mm
Compliant with EN 438 standard
Surface: white or covered with decorative foil
Density: ≥ 1350 kg/m³ (ISO 1183)
Fire classification: Ds2d0 (EN 13501-1)
Material resistant to corrosion and oxidation -
Inner layer: XPS core
Extruded polystyrene (XPS) with a closed-cell structure and grooved surface, HBCD-free
Density: ≥ 33 kg/m³ (EN 1602)
Thermal conductivity (λ): 0.034 W/mK (EN 13164)
Water absorption: < 1% (EN 12087)
Fire classification: E (EN 13501-1) -
Inner FLEXSTAB layer
Foam material with a stabilizing function, thickness: 3 mm
Density: 60 kg/m³
Very good resistance to water, weather conditions, acids, and alkalis
Design and types of filling
-
24 mm36 mm40 mm44 mm48 mm
Available dimensions
(other variants available on request)
Thickness:
Available dimensions
depends on the outer layer
-
Joinery
reinforced door and façade panels
Application
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