 
															The Quartz® CityLine series of lock box doors provide the perfect combination of exceptional performance and flexibility. CityLine doors are ideal for creating a unique architectural design. The result is an abundance of natural daylight, maximum energy efficiency and a custom architectural style.
 
	 
											 
	| Table Header | Table Header | 
|---|---|
| 
													Model												 | 
													Lock Box Door												 | 
| 
													NAFS Rating												 | 
													LC-PG50												 | 
| 
													Test Size												 | 
													48″ x 120″												 | 
| 
													Design Pressure (P.S.F.)												 | 
													90												 | 
| 
													Air Infiltration at 25 MPG (cfm/ft2)												 | 
													0.09												 | 
| 
													Water Resistance (P.S.F.)												 | 
													7.52												 | 
| 
													Structural Overload												 | 
													—												 | 
| 
													CR (Condensation Resistance)												 | 
													—												 | 
| 
													U-Value												 | 
													0.39												 | 
| 
													SHGC												 | 
													0.22												 | 
| 
													OITC/STC												 | 
													—												 | 
| 
													Visible Transmittance												 | 
													—												 |