what are casement windows

Casement windows are windows hinged on the side that swing open like a door, usually with a crank or handle, instead of sliding up and down. They’re popular because they can open wide for good airflow and give an unobstructed view when closed.

Quick Scoop

A casement window is typically:

• Side-hinged , so it opens outward or inward.

• Operated by a crank or handle.

• Tight-sealing when closed , which can help with energy efficiency and security.

• Used where ventilation matters , like kitchens, bathrooms, and over sinks.

How It Works

The sash is the movable part of the window, and hinges let it swing open from one side. A locking handle pulls the sash snug against the frame when shut.

Common Types

• Side-hung casement : Opens from hinges on one side.

• Top-hung version : Often called an awning-style window rather than a standard casement.

• Mock sash / dummy sash : Looks like a casement but doesn’t open.

Why People Choose Them

• Strong ventilation.
• Clear, open view.
• Easy operation with a crank.
• Good fit for hard-to-reach spots like above a sink.

If you want, I can also explain how casement windows compare with sliding or double-hung windows.