Vyrk Antibrann
– Fire technical class K2-10 B-s1,d0
– Can be delivered with acoustic properties
– Different surface layers
– Standard dimensions or tailor made
– Complete mounting system
Vyrk Antibrann can be delivered in a set of different perforation patterns from a given distance between the rows. The plates are supplied with or without acoustic cloth.
Here are some examples of patterns
![akustiske egenskaper_ akustiske egenskaper](https://www.vyrk.no/wp-content/uploads/2020/01/akustiske-egenskaper_.png)
Perforation
Practical perforation degree for Vyrk Antibrann based on platesize 1200x600mm
Ø: 6 mm | Ø: 8 mm | Ø: 10 mm | |
---|---|---|---|
Perforation c/c 20 mm | 7% | 12% | 19% |
Perforation c/c 40 mm | 2% | 3% | 5% |
Sound Absorption
The measurements in the following PDF indicates the acoustic properties for Vyrk Antibrann at various degrees of perforation made according to ISO 354 / ISO 11654 hos Sintef IKT – Acoustic