This month we are going to embark on uncovering a few new glossary terms, and recapping a few old ones. So lets not waste any more of our precious time. Looking back at last month, we’re going to rehash some of what we learned and then quickly move on. As we said previously, a fanlight is a variety of window (vinyl window or aluminum windows, they both will do) that is basically shaped in a half-circle formation. This kind of window is usually situated above doors or other windows with radiating bars that spring outward from the central point. These windows have also been called circle top transoms. Last week we also looked at the composite material, fiberglass. Fiberglass is a material composed of glass fibers that are suspended in plastic like matrix. Fiberglass can range greatly in quality and price, but one thing is for sure, in terms of strength on the dollar, fiberglass is your horse. For window manufacturing, fiberglass is occasionally used as a diffusing material, while at other times it can be used in the construction of certain elements of a window. Moving right along in our grand recap of things, we also looked at fixed panels and fixed windows. As a window manufacturer, this is a very important piece of the overall picture. A fixed panel is a very simple thing. This item is basically a non-moving panel of a sliding window or a sliding glass door. Similarly, a fixed window is a vinyl window, aluminum window, or other variety of window that is completely fixed. These particular kinds of windows are very simple and prove to be quite practical for difficult to reach areas where an opening, functioning window would be unnecessary. Finally last month, we touched on flashing - a material, usually metal, which is used to help seal an ordinary window from the elements. Next week we’re going to cover some new ground, so be sure to wear your thinking caps!