Aithon A90H - Masonry Fire Protection

Aithon A90H - Masonry Fire Protection

intumescent coating

Water born intumescent coating for fire protection and decoration of masonry.

    Classified according to EN1364-1 and EN 13501-2
    120 minutes fire protection on brick walls
    Up to 120 minutes of fire protection on concrete beams and columns

    No need of top coating even in high humidity environments
    Water borne, low VOC, protects both steelwork and the environment
    Wide range of colour finish available

A shelter against fire

At ambient temperature Aithon PV 33 provides a stable, wax-like finish which preserves the natural beauty of wood. But in a fire the varnish softens and swells, forming a thick, high insulative layer which prevents the spread of flame and protects the wood from charring.


Aithon PV33 is suitable for use in public buildings, schools, housing, shopping centres, restaurants, banks, churches and for walls and ceilings in escape routes where timber or wood derivatives are used.

Environmentally friendly

Waterborne, halogen-free, low VOC content, Aithon A90H protects masonry as well as the environment.
Thank to its very low emission to the environment, A90H is approved for the fire protection in clean rooms (Outgassing tests at 40°C: 2,6 μg/g). This is a guarantee for any sensitive buildings like schools and hospitals.