PROMATECT®-H is a non combustible matrix engineered mineral board reinforced with selected fibres and fillers, and does not contain formaldehyde.

Used in the protection of concrete columns and beams, and to upgrade concrete slabs and walls PROMATECT®-H is off-white in colour and has a smooth finish on one face with a sanded reverse face. The board can be left undecorated or easily finished with paints, wallpapers or tiles.

PROMATECT®-H is resistant to the effects of moisture and will not physically deteriorate when used in damp or humid conditions, although PROMATECT®-H is not designed for application in areas subject to continual damp or high temperatures.

Further Information


  • Protection of concrete columns and beams
  • Upgrade of concrete slabs
  • Upgrade of concrete walls


  • 30 - 240 minutes fire resistance when tested to EN13381-3: 2015
  • Fire Reaction Class: A1 Non Combustible EN13501-1
  • Damp or humid conditions
  • High temperature environments (up to 80°C)
  • Slim constructions
  • Early installation for faster build
  • Performance characteristics are not degraded by age or moisture
Reaction to fire: A1, non-combustible
Use Category: Y, Z1, Z2
Approx. Alkalinity (pH): 12 pH
Approx. Dry Density (kg/m³): 870 kg/m³
Approx. Moisture Diffusion Resistance (μ): 20
Approx. Thermal Conductivity @ 20 °C (W/m°K): 0.175 W/m K
Bending Strength Longitudinal (N/mm²): 7.6 N/mm²
Tensile Strength Longitudinal (N/mm²): 4.8 N/mm²
Compressive Strength (N/mm² perpendicularly to the board surface): 9.3 N/mm²
Storage Conditions: Store in a dry and well-ventilated space, under cover, on a flat surface.

Please note
All physical and mechanical values are averages based on standard production and tested according to internal procedures. The typical values are given for guidance. The figures can change dependent on the test methods used. If a particular value is of prime importance for a specification, please consult Promat Technical Department.



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