UL
UL listed fire-rated doors
April 24, 2020
Firestop Multiusos Plus
Asturmadi MULTIPURPOSE PLUS Door
May 28, 2020

The meaning of EI2 t-C5

 

According to the European regulation EN-1634, fire-rated doors are labelled like this: EI2 t-C5. Each of these characters has a meaning and it is the following:

Meaning of EI2 t-C5

E: Refers to the integrity of an element, or its capacity to bear the fire effects on one of its sides, without transferring the fire to the non-exposed side due to flame or gas escape.

I: Isolation or capacity of an element to bear the fire on one of its sides without allowing the fire to expand to the other side due to heat transference.

• Isolation I1: Average 140ºC, Maximum 180ºC. Measuring 25mm away from the leaf and frame at 180ºC.

• Isolation I2: Average 140ºC, Maximum 180ºC. Measuring 100mm away from the leaf and frame at 360ºC.

T: Time of fire resistance or fire rating of the door in minutes.

C5: Automatic closure durability (200.000 cycles of aperture and closure).