Fire door

Fire Protech Co. Ltd.
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Regulations on the fire doors

We will make the best products of ecofriendly green growth
with the mind to add the nature to the human-beings.

Regulations on the fire doors for indoor sheltering space

실내대피공간용 법령기준
Division KS standard Test details
Door set test KS F 3109 Twisting intensity
  • No abnormality on open and shut, and no interruption of usage
  • Inventory load
    • Class 20 : 200N
    • Class 40 : 400N
    • Class 60 : 600N
Perpendicularity load intensity
  • No abnormality on open and shut with residual displacement not more than 3 mm and no interruption of usage
  • Inventory load
    • Class 50 : 500N
    • Class 75 : 750N
    • Class 100 : 1000N
Open and shut
  • Door should be operated smoothly.
  • Open and shut load with 50N
Open and shut repetition
  • No abnormality on open and shut, and no interruption of usage
  • Frequency of open and shut with 100,000 times
Impact resistance
  • No harmful modification with one-time impact and no interruption of open and shut
  • Glass damage is considered as no interruption.
  • Height of sand falling (cm)
    • Class 17 : 17cm
    • Class 50 : 50cm
    • Class 100 : 100cm
Fireproof test KS F 2268-1 Flame interruption performance (including gasket)
  • a) No ignition with application of cotton pad.
  • b) No movement over 150 mm length upon penetrating 6 mm cracking gauge to the test subject.
  • c) No penetration of 25mm cracking gauge to the test subject.
  • d) No fire occurrence over 10 seconds at the non-heated side during the test.
Thermal test KS F 2268-1 Thermal performance
  • Mean temperature : should not be increased by 140K from initial temperature.
  • b) Max temperature
    • Main body: should not be increased by 180K from initial temperature.
    • Frame: should not be increased by 360K from initial temperature.
Smokeproof test KS F 2846
  • Measure air leakage to make the pressure with 25Pa, 50Pa, and 75Pa between both sides of the door but should not exceed 0.9m3/min∙m2 at 25P.
Insulation test KS F 2278 Heat flowing rate
  • Insulation capacity is more excellent as the values of heat flowing rate are lower.
  • Standard of heat flowing rate on the fireproof doors in apartments: Not more than 1.400 W/m2∙K
Sealing test KS F 2292
  • Measure air leakage to make the pressure with 10Pa, 30Pa, 50Pa, and 100Pa, and should meet not more than the standard ventilation amount at each pressure.
  • Ex) Class 1 at 100Pa: Not more than 10 m3/h∙m2
Condensation test KS F 2295
  • Measure TDR values which are the indexes of condensation capacity on main body and frame of the door
  • Based on Region 1 (-20℃)
    • Main body : 0.30
    • Frame : 0.22

Other requirements from LH

LH 기타요구 법령기준
구분 시험내용
Final goods of door
(steel plate, insulation material, adhesive)		 Harmfulness of gas ( KS F 2271 )
  • Visual inspection of movement stop in experimental mice
Frame filler Harmfulness of gas ( KS F 2271 )
Adhesives (inorganic and organic) Cold resistance, heat resistance, adhesive strength (KS M 3705)
  • Check adhesive strength upon attaching a pendulum after applying adhesive to the metal plate.
  • Check modification, adhesive state, and damage at standard temperature and time (250℃ 30 min for heat resistance and -40℃ for 24 hours for cold resistance).
Gasket Harmfulness of gas (KS F 2271), non-inflammatory (KS F ISO 5660-1)