While most homes that are built today have standard glass or plexiglass windows, some are built with plastic windows. Plastic has a number of advantages over glass; it can be easier and cheaper to build to a custom size and shape, it can oftentimes be sturdier than glass, and it will hold its shape much better over time. As a homeowner of a building with plastic windows, however, it's likely that you've noticed that these types of windows tend to be much more difficult to clean completely than glass windows. Read on for a brief guide on how to keep your plastic windows sparkling and clean.