Two of the most important things to consider when deciding where to install your signage is readability and visibility . If your people trying to find your location can’t read your sign from a distance, your sign will lose its message. When determining letter size and height, you must think about where your sign is going to be installed and where people will be when they first see your sign. “FOREST LAWN MEMORIAL PARK –COVINA HILLS “ was made using 30” tall white aluminum letters. As you can see, the letters are readable from a distance.