With this coating, images are often sharper than images printed on plain paper. Check the clarity of the inkjet film you are selecting. The coating that is applied to inkjet film can decrease the clarity of the film. This is not a problem with overhead projection use, but can be noticeable when mounted in a building. Check the material for a foggy appearance, and avoid foggy transparency.
Thickness is another consideration.
Some transparency on the market is thin, and will warp if you select a dark image quality. Thinner material will work on an overhead transparency, but for modeling thicker material is better. The thicker material is easier to print on, and glue into your building. Laser Printers - Use transparencies designed for laser printers. Laser printers use heat to fuse the ink to the printing medium.