Frame TypeThermally broken aluminum
OperationTop-hinged, outward opening
HardwareFriction stays / scissor arms, multi-point lock
GlazingDual or Triple Low-E
Air Infiltration≤0.30 cfm/ft² @ 1.57 psf
Common SizesCustom; typical up to ~48"W × 36"H*
FinishesBlack, Bronze, Custom RAL
U-Factor0.21 – 0.31
*Final sizes depend on wind load, hardware selection, and glass weight and collection frame.