A Pergola with a solid roof can also be called a Ramada or possibly a Gazebo. All three are garden structures but a Ramada and Gazebo have solid, usually pitched, roofs and offer protection from the rain as well as shade from the sun. It is, however, common to find companies offering waterproof covers for Pergolas, this may not be strictly adhering to the Pergola definition but are usually where they maintain the same open, airy appearance or where the covers are added after the initial build.