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The 13501 standard is divided into 6 parts based on the materials or building elements to be tested:
- Fire-resistant ducts and dampers.
The difference between resistance and reaction is:
- Resistance: It measures how long an element can withstand fire (for example, fire doors).
- Reaction: It measures how materials contribute to the fire.
In the case of Texfire technical fabrics, certification is carried out based on the reaction test Part 1. The results of these tests are always presented based on 3 parameters: Fire contribution, smoke generation, and lastly, dripping (molten). Taking the EGLA 200 AL fabric as an example, the result of the EN 13501-1 test is: A2 – s1 – d0.
EN 13501-1 CLASSIFICATION BASED ON DATA OBTAINED FROM FIRE REACTION TESTS
These are the results that can be obtained in this test:
These classifications are further supplemented with the corresponding subscripts:
A estas clasificaciones se les añade el subíndice correspondiente:
According to smoke opacity: | According to droplet or flaming particle falling: |
S1: Low smoke emission velocity and quantity | d0: No droplets |
S2: Medium smoke emission velocity and quantity |
d1: No droplets, t > 10s |
S3: High smoke emission velocity and quantity | d2: Not classified |
The classification for walls and ceilings is performed without a subscript. Floors are labeled with the subscript FL (floor), and linear products for pipe insulation carry the subscript L (line). According to RD 842/2013 and the UNE EN 13501-1 Standard, building elements are classified using the following nomenclature:
The previous class is accompanied by a number (t) representing the maximum exposure time to fire that a material can withstand while maintaining its resistance, stability, etc.
For example, a structural element will be labeled as R-(t), elements (horizontal and vertical) that delimit a fire compartment will be labeled as REI-(t) if they have load-bearing function, or EI-(t) if they don't have load-bearing function. A hinged door will be labeled as EI-C(t), and a mechanical smoke extractor as F400(t), meaning it withstands the time (t) at 400ºC. The correspondence with Euroclasses compared to the previous M0, M1, M2, M3, and M4 classifications is as follows:
Description | UNE 23727:1990 | UNE EN 13501-1:2002 |
Non-combustible | M0 | A1-A2 S1, d0 |
Non-flammable | M1 | B-S3, d0 |
Difficult to ignite | M2 | C-S3, d0 |
Moderately ignitable | M3 | D-s3, d0 |
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