Window Frame Materials
The material from which a window frame is constructed can greatly affect overall installation cost and energy efficiency. While the shape, size and operation of a window is aesthetically significant, the material from which a frame is constructed is crucial when considering cost and energy efficiency. While the panes themselves are typically constructed of glass, there are four common types of window frame materials.
Aluminum
Aluminum is the least expensive among the window frame materials. It is strong and lightweight but it is not energy efficient. Because aluminum is a very good thermal conductor, energy is lost even when used in conjunction with insulated glass. However, aluminum frames require little maintenance.
Fiberglass
Fiberglass combines strength and durability as well as insulating properties. Fiberglass is new in the window frame market that is why homebuilders do not have many options if they will be using it.
Vinyl
Vinyl is a more energy efficient alternative to aluminum. Though vinyl usually costs up to 25 percent more than aluminum windows, it is typically up to 30 percent more energy efficient. Vinyl frames, like aluminum frames, usually require very little maintenance.
Wood
Wood is the traditional window frame material. The frames will come out beautiful and energy efficient especially is it is paired with dual glass panes. Despite these advantages, wood frames can cost up to 2 or 3 times more than vinyl windows and require more maintenance. Many homeowners combat this by cladding the frames with aluminum, vinyl, or fiberglass, which allows one to have the decorative benefits of wood, but with a more durable exterior.
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