Door louvers

Door louvers

Blades or slats in a door to permit ventilation while the door is closed; may or may not be adjustable.
Mentioned in ?
References in periodicals archive ?
The company's product lines expand the Allegion portfolio to include a full array of premium sealing systems, such as sound control, fire and smoke protection, threshold applications, lites, door louvers, intumescent products, photo-luminescent and flood barrier for doors.
So he founded Parsons Products to make mouse-trap bases, then expanded when he found another market for the wood scrap as door louvers, and still another for dollhouse components.
Zero's product lines include a range of premium sealing systems, such as sound control, fire and smoke protection, threshold applications, and lites and door louvers. Like Allegion, Zero's products have an international presence.