EN ISO 14116:2015 – Protective clothing
– Protection against flames


Materials, material combinations and clothing with limited flame spread

Use in the event of accidental contact with heat and flames. Should be used in combination with garments certified according to EN ISO 11612. The standard is relevant for industrial workers and electricians.

Design requirements

When the protective clothing consists of two garments, the jacket must overlap the trousers by at least 20 cm when the user tries to reach down to the toes. (45 cm, when the user is standing upright). The trousers must not be turned up.

Requirements for textiles

Requirements for flame and heat resistance are determined according to three index levels, with Index 3 being the highest level.

Index 1

  • Top or side edge must not ignite during testing.
  • No sample should emit burning residues.
  • Afterglow must not be spread after the flame is extinguished.

Index 2

Same as for Index 1, and in addition;

  • No sample should show hole formation during testing.

Index 3

Same as for Index 2, and in addition; 

  • After-burning must not exceed 2 seconds.
  • Materials or garments that are only approved according to Index 1 must not come into contact with the skin during use. If protective garments are Index 1, they must be worn over Index 2-, Index 3- or over EN ISO 11612-certified garments.

User guide

To provide full protection, full-covering garments, such as a jacket and trousers or coveralls made of flame-retardant textile, approved according to EN ISO 11612 must be used. The garment is not designed to protect against conductive heat, radiant heat, liquid metal and similar hazards.

This is only an excerpt from the standard, subject to errors. For the complete and latest version of the standard, visit standard.no

Last update March 2024.