PRESSURE GLAZE 

A fixed casement window cannot be opened like a regular casement. It is used to allow sunlight into the room.

FLUSH GLAZING – STACK SYSTEM 

A curtain wall system uses “pressure plates” that are fastened to the outside of the mullions to retain the glass. 

FLUSH GLAZING – UNITIZED SYSTEMS 

The unitized system consists of prefabricated panels that are hung onto the primary building structure.