Example: air traffic controller
Search results with tag "Wall ceiling"
USG SHAFT WALL SYSTEMS - BuildSite
www.buildsite.comfor supporting the wall. Shaft Wall Ceiling Membrane The two-hour horizontal membrane (also used in two-hour duct enclosures), and the membranes used as the ceiling of one- and two-hour egress corridors, are shown on page 23. When the span of the two-hour horizontal membrane is greater than 5'-4", use
Centrifugal Ceiling Exhaust and Inline Cabinet Fans
content.greenheck.com3 Model Comparison Model Location Mounting Airflow Application Drive Type Impeller Type Performance Outdoor Indoor Roof Curb Base/Floor Hanging Wall Ceiling Mounted Exhaust Supply Reversible Recirculate General/Clean Air Contaminated Air Spark Resistant Grease (UL 762) Smoke Control (UL) High Wind (150 mph) High Temp (above 200°F ) Belt Direct Centrifugal Propeller/Axial …