Also, fire doors can never be held open with a door stop or any device other than a magnetic hold. The magnetic hold must be tied to the fire alarm so the door will close automatically during a fire. Electric locks used on fire doors must be fail-safe, never fail-secure – that is,...
I think an astragal really adds a nice, subtle touch to a lot of different designs. One place I can think where it is often used is on decorative columns. Usually around the top or bottom, there is a small raised section that I am pretty sure would be classified as an astragal. I...