How can fire doors be kept open?
Problem Fire doors are held open by wedges or other objects It still happens far too often that fire doors are held open by wedges or other [...]
Problem Fire doors are held open by wedges or other objects It still happens far too often that fire doors are held open by wedges or other [...]
Problem: Fire doors inevitably deform under the high temperatures during fire tests. However, these deformations may only reach such an point, so that the fire protection in adjacent [...]
Problem Fire door slams shut or does not close completely There are several situations in which fire doors don't close completely, in spite of an overhead door [...]