Your name saw this post on The ActiveRain Real Estate Network and thought it might be of interest to you. Please see the link below to review the post.

Cresting. I found some more of that stuff right here in White County Arkansas.
Reviewing some delightful pictures that I took last year of our famous "oldest documented church in Arkansas" I found another example of what I had never heard of until a few days ago when I put up a blog about a house in West Point Arkansas that was built in 1883 and had this stuff on the top of the roof which was defined by a reader as cresting. 
This oldest church is called Smyrna Church and is located just before Center Hill on Highway 36 West.   Suzy Ribeiro defined the trim on roofs in a comment.
The spindly metal trim on rooftops is for... here's your answer... absolutely NOTHING! It's actually called roof CRESTING. It is usually fabricated out of wrought-iron, but, the cresting on this home looks like it is made from thin sheet aluminum or steel. Roof cresting doesn't serve much of a purpose other than to look pretty. Cresting was an architectural hallmark of the Second Empire style, imported from France in the 1860's. It is more common on ornate Victorian and Mansard style residential properties. Many properties lost their original cresting as the material deteriorated, owners removed the cresting instead of upkeeping or restoring it because it was ... more

__________________________________________________
Are you on The Rain? Grow Your Network!