Casement Windows Vs. Awnings

Casements

• Hinged on one side, a casement window opens horizontally inward or outward like a door and is secured with a stay bar. Casement windows are generally taller than awning windows and provide better ventilation to the building. It is possible to combine them with a second, facing window, which makes the open area bigger than it would be with an awning window. Disadvantages of casement windows include the opportunity for rain to enter and the potential for damage if the window is open and a strong wind develops.

Awnings

• The awning window hinges are located at the top of the frame, and the window opens out vertically like an awning, with the stay bar along the lower edge. These windows open only the length of the stay bar, which braces them in position. Awning windows provide protection from the elements because rain can't enter. The open section of an awning window is generally smaller than a casement window and is less likely to sustain damage from wind. The view from awning windows is usually inferior to casements, because the window frames tend to obscure it partially and it is impossible to achieve the same height of the opening.

Installation

• Both types of windows are installed in a window space using a frame. The frame can be made of wood, fiberglass or aluminum. When you select the frames for your home, consider the style of window you have chosen to determine the suitability of your preferred frame. For example, casement windows in a location that experiences strong winds are more likely to benefit from a durable, fiberglass frame. In an area that experiences summer rains, however, awning style will give you the option to keep the windows open for cool air to flow without the rain entering the home, but the frames could be made of cheaper material.

Building Codes

• Whether you install casement or awning windows, the same safety considerations apply. One window in each room in the house must have an opening at least 20 inches wide and 24 inches high to be large enough for people to climb through in the event of a fire. The windowsill may be not be more than 44 inches higher than floor level, and windows that are close to the floor must have unbreakable or shatterproof glass installed. These and other requirements might affect your choice of window style, so factor them into your decision.