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Fire testing-Germany Standard: DIN4102-1

DIN 4102-1 fire test to building material – Test Method:

When the material s fire behaviour has been determined in accordance with the standard, it divides into:

Building material classDesignation
Class AA1Non-combustible materials
A2
Class BB1Not easily flammable
B2Flammable
B3Easily flammable

Class A

A1: Materials may be classed as A1 materials if they:

– Pass the test specified according the standard corresponding parts

– meet the requirements for class A2 materials

A2: Materials may be classed as A2 materials if they:

– Pass the test specified according the standard corresponding parts

– Pass the test specified DIN 4102-16

Class B

> B1: All materials, except flooring, may be classed as B1 materials if they

– Withstand the test specified in DIN 4102-16 using the ‘Brandschacht’ apparatus specified in DIN 4102-15

– Meet the requirements for class B2 materials.

B2: Materials may be classed as B2 materials if they

– Pass the test specified according the standard corresponding parts

– Flooring materials may be assigned to material class B2 if they meet at least the requirements for class T-b as in DIN 66081.

B3: Combustible materials which cannot be classed as B1 or B2 materials shall be classed as B3 materials