Graphical Construction Glossary >> Roofs and roofing. >> Pavilion roof

Pavilion roof, polygonal roof.

Usually a roof set on a regular polygon with equal hips on all sides. It is seen a a decorative roof used in gardens and parks.

A six sided (hexagonal) pavilion roof.

An apex fitment for a pyramid roof

The placement of the purlins at the apex of the roof gets more difficult with the amount of side that the roof has. As the number increases so the top cut gets finer and finer.

One way to to solve this problem is to make up a weld fitment like in the above sketch. As the number of hips increases the the fitment is made so that the hips can pass over the ring and the whole thing is moved lower down the roof.

Rafter layout for a pyramid roof.

As can be seen here there is no room for a center common rafter, so the answer is to start off thr framing with two jack rafters on either side of the centerline of each particular roof surface.

• Pavilion roof:-Back to top
  

If you didn't find exactly what you are looking for try this search tool that will search the site and the web.

"What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience?
All for ourselves, and nothing for other people, seems, in every age of the world, to have been the vile maxim of the masters of mankind." Adam Smith 1723-1790