In the wake of a hurricane, you will find dozens of companies all selling their services repairing your glass. But not everyone is familiar with glass installation and what it means to have professionals do the job for you, so I'll give a brief tutorial on how this works. What is window installation? The basis of it is that there are usually two panes of glass that form a typical 'window' in a house or building. Both panes need to be cut down to a custom fit in order for them to fit in the frame. The edges are then protected from being sharp by adding rubber insulation along the sides, or if it's going into an aluminum window frame, metal insulation around the edge which will screw onto the side until sandwiched to the side. The next step is getting a sheet of plastic between each pane to prevent moisture from accumulating and sticking the two together, ruining them. This is why you should never try to clean a window once it's been installed, as you could wipe away ...