EN ISO 14116:2015
Protective clothing – Protection against flame – Limited flame spread material, material assemblies and clothing.
EN ISO 14116 has three Index, of which Index 3 is highest. If single layer garment contains index 1 materials, those have to be worn over index 2 or 3 garments, and may not come into contact with the skin. The standard is mostly used for approval of lining and trims for use in EN ISO 11612-garments. Can also be used for garments that can not be EN ISO 11612 certified.