Building materials and building fire resistance in accordance with DIN EN 13501 and DIN 4102
Designation in Latvian building supervison Designation according to DIN EN 13501 Designation according to DIN 4102 Non-flammable A1 A1 Hard flammable A2 – s1 d0 A2 Hard flammable B, C – s1 d0 A2, B, C – s2 d0 A2, B, C – s3 d0 … Continued