Many windows have an upper sash and lower sash, which may lock with a clasp or latch. Sashes come in many shapes and sizes to match different window designs, architectural styles, and functional ...

The difference lies in the frame's outer edges. Casements are more energy efficient than sash windows because they close and lock tightly against the frame. Casement windows are an excellent ...

The HYGUI system from Hyline offers a high-tech opening system for windows. Offering a sense of ... with the integration of either an electromagnetic or key lock offering greater security and ...