acoustical door
A solid, heavy door which is gasketed along the top and sides; usually has an automatic door bottom; especially constructed to […]
A solid, heavy door which is gasketed along the top and sides; usually has an automatic door bottom; especially constructed to […]
Doors that are hinged in the middle for opening in a smaller area than standard swing doors. Often used for
Doors that are hinged in the middle for opening in a smaller area than standard swing doors. Often used for
The surrounding case into which and out of which a door closes and opens. It consists of two upright pieces,