DIN 4102-14 Fire behaviour of building materials and elements — Determination of the burning behaviour of floor covering systems using a radiant heat source

1.Scope

This standards specifies a method of determining the burning behaviour,the critical irradiance and the development of smoke for horizontally mounted floor covering systems exposed to a radiant heat source ( radiant panel ) in a test enclosure,when a pilot flame. The results ob-enclosure, by this method serve to establish whether floor covering systems can be assigned to building material class B1 as defined DIN 4102 Part1).

2.Concepts

2.1The distance burned to flame-out is the distance between the point of initiation of flaming combustion (zero mark; set at 10 mm from the inside edge of the specimen holder on the exposed side of the specimen) and the most distant Translator’s note .Term to be used in accordance with the International System of Units. In ISO/DIS 9239:1988 erroneously termed ‘radiant flux’.

According to the Laender test mark regulations,Class B1 building materials that contain non-readily ignitable constituents require a test mark granted by the Institute of Building Technology, Berlin, unless they are listed in the appendix to the German test mark regulation as being exempt from this requirement.Such materials are also subject to third party inspection.

In addition to the specifications given in this standard, the Test specifications for class B1 building materials subject to being mandatorily provided with a test mark, issued by Institute of Building Technology and published in its Mitteilungen ( proceedings ), shall be observed.

Flame-out point on the specimen in the direction of burning-The flame-out point shall be determined by observation during testing. Owing to melting, Sintering, charring and smoul-dering of the specimen during exposure to fire, the distance burned to flame-out is not necessarily the same as the length of floor covering damaged.