I need to know what all the diferant names are for the components that make a barn roof

Hi, michael hindley!

One way to find out this kind of information, would be to perform the following kind of search.

Types of Barn Roof Construction - Google Search (http://www.google.com/search?hl=en&safe=off&q=Types+of+Barn+Roof+Construction)

If you could give some additional specifics concerning precisely what you're needing to know, then it would help us to help you the best here.

Thanks!