The problem with roof/wall intersections is not that they are difficult to inspect.  The problem lies in the fact that they require much attention and can take quite a while to inspect.  To understand why they take so long, click on Roof/Wall Intersections under the Critical Areas section.

The picture to the left shows how many roof/wall intersections can look good, but to an inspector it is more hours tacked onto the job.  In the left-hand picture alone, there are at least five roof/wall intersections (there could be more that are not visible).

The picture to the right gives an example of three roof/wall intersections that are very close together and yet, still take a good deal of time to inspect because of the height of each.

This is merely an alert to the client that roof/wall intersections can balloon the number of hours spent at a site.