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Wavin AS+ Technical Manual
Phone. +31(0)38 42 94 951
6. Fire protection
6.1 Fire behavior classification
Fire behavior of construction materials, e.g. piping systems and isolation materials, have been defined in fire classification classes
as per DIN 4102-1. Construction materials are classified as combustible and non-combustible materials. According to DIN 4102-1
and EN 13501-1, PP, and thus Wavin AS+, is listed as B2 (normally flammable) or according European standard D S
3
do.
In line with European standardization, the fire classification
classes as per DIN 4102-1 are translated into the European
DIN EN 13501. The accreditation is based on the standar-
dized Singl-burning-Item-Test (SBI) in conformity with DIN
EN 13823.
6.2 Fire resistance classification
The fire resistance classification provides the fire resistance
duration of a specific construction material.
Criteria Old Classification New European classification according to DIN EN 13501-1
as per
DIN 4102-1 Additional criteria
Non-combustible A1 A1 - -
A2 A2 s1 d0
Non-readily ignitable B1 B s1 d0
(low flame spread) C s1 d0
A2 s2/s3 d0
B s2/s3 d0
C s2/s3 d0
A2 s1 d1/d2
B s1 d1/d1
C s1 d1/d2
A2 s3 d2
B s3 d2
C s3 d2
Normally ignitable B2 D s1/s2/s3 d0
(normal fire behavior)
E - d0
D s1/s2/s3 d2
E - d2
Readily ignitable B3 F - -
Table 24: Fire behavior classification according to DIN 4102-1 and DIN EN 13501-1.
Table 25: Fire resistance classification.
Fire resistance Fire resistance
classification duration in minutes
F30 ≥ 30 = fire retardant
F60 ≥ 60 = high fire retardant
F90 ≥ 90 = fire resistant
F120 ≥ 120 = high fire resistant
F180 ≥ 180 = extreme fire resistant