What Are These?

Hello forums!
I was hoping y'all could help. I'm trying to figure out what the roof and wall are called. They don't look like any of the other Oasis pieces I've seen. Is it something special?

Thank you!

http://i.imgur.com/Y4gZriZ.jpg

Small merchants wall, made in the workshop.
http://en.ff14housing.com/itemview.php?id=8216333837f

Thank you so much, Alien_Gamer!