Smoke Tightness
Smoke tightness for doors UNI 1634-3:2005
With this legislation, tests with fume at medium temperature at 200 °C (Sm) and cold fume (Sa) can be carried out. The leakage is evaluated in cubic metres per hour per metre of joint length, except for the lower one. It is an accessory requirement for many markets such as Italy, England, Germany and the […]
British Standard BS 476-31: Smoke tightness for doors
Fire tests on building materials and structures. Methods for measuring smoke leakage through doors and shutter assemblies. Method of measurement under ambient temperature conditions
UL1784 Listing smoke-tight doors
These requirements concern the inspection of air leaks through doors and other protective elements installed in openings where the air leak has to be controlled. THE TEST UL 1784 is a test that is very similar to the European one according to EN1634-3, where the heating is similar (400 degrees Fahrenheit is 204 degrees), but […]