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Hensotherm 421 KS System

HENSOTHERM 421 KS is a water-based intumescent coating system for fire protection of steel constructions. Suitable for indoor conditions.

Extra information
  • Water-based, environmentally friendly and sustainable
  • Free from halogens, APEO, borates, plasticizers, silicones and fibres ( glass-fibre free )
  • Classified according to DIN EN 13501-2
  • Focused mainly on: R 15 – R 180 open and hollow steel profiles
  • Non-VOC, VOC-emission class A+, LEED v4
Application
  • For indoor use only
  • Open steel profiles: R 15...

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HENSOTHERM 421 KS is a water-based intumescent coating system for fire protection of steel constructions. Suitable for indoor conditions.

Extra information
  • Water-based, environmentally friendly and sustainable
  • Free from halogens, APEO, borates, plasticizers, silicones and fibres ( glass-fibre free )
  • Classified according to DIN EN 13501-2
  • Focused mainly on: R 15 – R 180 open and hollow steel profiles
  • Non-VOC, VOC-emission class A+, LEED v4
Application
  • For indoor use only
  • Open steel profiles: R 15 – R 150 for columns, beams and tension members ( utilization factor in cold condition ≤ 78 % )
  • Hollow profiles: R 15 – R 180 for columns
  • Up to R 180 usable without top coat in dry indoor conditions
  • According to ETAG No. 018-2, durability class Y / Z1 / Z2 [ Y (semi exposed): for indoor use and in open buildings without driving rain and condensation )

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  • Hensotherm 421 KS System