ClayTec HFA maxi
Wood fibreboard (HFA) for cladding of wood and metal post structures of inner walls, facing shells, ceiling and roof surfaces. ClayTec HFA maxi boards are light and breat-hable. The large format of 125 x 187.5 cm ensures efficient working, it is designed to fit the 62.5 cm drywall grid. Thanks to the reasonably priced large building boards the ecological drywall is affordable for everyone! As supplement to this product sheet the ClayTec Guidelines for ecological drywalls in system apply.
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ClayTec HFA maxi
ClayTec HFA maxi
Product information
Scope of application
Wood fibreboard (HFA) for cladding of wood and metal post structures in the interior. For inner walls and facing shells according to DIN 4103-1, installa-tion area 1 or 2, for ceilings and roof surfaces. On surfaces of water exposure class W0-I as per DIN 18534-1, e.g. in bathrooms (except shower areas) and household kitchens. With reinforcement layer substrate for YOSIMA clay design plaster or ClayTec clay topcoat fine 06 with ready-to-use ClayTec clay paint or the ClayFix clay coating system.
Composition
Wood fibres made from wood from responsibly managed forests, white glue for layer bonding.
Characteristic values
Compressive strength ≥ 150 kPa. Bulk density approx. 250 kg/m3, thermal conductivity value 0.05 W/mK, µ 5. Heat storage: Cp 2.1 kJ/kgK, 13.1 kJ/m2K. Fire behaviour according to DIN EN 13501-1: E
Component values
For stability according to DIN 4103-1, sound insulation of walls and facing shells, as well as building material and fire resistance classes for walls and ceilings, please refer to the ClayTec Guidelines for Ecological Drywalls in the System.
Dimensions and weights
Thickness = 25 mm, L = 1.87,5 mm, W = 1.250 mm. Surface per board = 2.34 m². Mass of approx. 14.6 kg/board = approx. 6.25 kg/m².
Delivery form
Shrink-wrapped on pallets of 45 pcs.
Status: 11/2025
