All About Frames

Wood frames

Because many homeowners like the look of wood, wood frames are still a popular choice. One advantage of wood is that wood is energy-efficient. Wood is a non-thermal conductor, so it won't lose heat or draw heat in from the outside. The downside is the constant maintenance required to keep wood looking decent. If you enjoy painting, staining, scraping, and sanding, then by all means, be my guest. But keep in mind that wood can also shrink, rot, and warp, which means you'll probably have to replace your windows over and over. This is good for the manufacturer, but bad for you.

Of course, some companies treat wood in an attempt to preserve it. However, treated wood may contain toxic chemicals. Also, wood is expensive. Other framing options are much more economical. So when we stop to consider the cost and hassle of maintaining wood frames, the cost of replacing windows, and the danger of toxic chemicals, wood windows may not be the best choice. Instead, a homeowner may be better advised to consider alternatives that will save time, money, and a tree.

Aluminumor vinyl-clad wood frames

Next, consider aluminumor vinyl -clad wood frames. Like frames made entirely of wood, clad wood framesalso require maintenance, though not quite as much. Aluminum-clad wood framesare moreenergy efficient than aluminum window frames, though they are not as energy-efficient as wood frames without aluminum. And clad frames have been known to hide water infiltration, leading to costly deterioration hidden under the cladding. There have been lawsuits involving this very issue recently, involving well-known companies. Your best bet is to avoid this technology.

Fiberglass or Composite frames

Some say fiberglass is the wave of the future. That remains to be seen. There are some advantages of fiberglass frames. Fiberglass is strong when going against the grain. Since Fiberglass extrusions are made by a Pultrusion process, which is the binding of small glass fiber together with glue. This is similar to the process used to produce particleboard (gluing of wood fibers). The result is that when fiberglass is hit along the grain it cracks like a hot knife through butter. Remember the major damage on Corvettes when they were involved in "minor" fender benders.


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