I'm not sure of the proper name for them, but they are a decorative piece for the top of your windows on the outside of your house. Pretty much, they look like some crown molding over the window. Some have keystones, dental details, etc. I've found a company(don't think I can list their name here) that makes them out of vinyl. Seems to be very durable, come in a wide range of colors and a few different designs. I was looking for some opinions on these and whether there are any companies that are good or that I should stay away from. Also, if anyone has some pricing info, that would be appreciated too. Thanks, Dan

What is the differences between board footage, lineal footage, and square footage? What are the formulas for figuring each of these?