Octagonal Roof Design

The ceiling follows the line of the rafters.

Octagonal roof design.

A beautiful octagonal gazebo in a rich cedar stain featuring elegant craftsman spindle walls. A gable roof is shaped like an upside down v and is sometimes referred to as a dual pitched saddle saddleback or peaked roof. Because this minimizes the external wall surface area it decreases heat loss and gain. An octagonal plan in this example the octagon segments are 4 ft.

Learn rick s method for framing an octagonal turret roof. All material and hardware for this project is included in the kit aside from fasteners for roof sheeting and shingles. The main rafters will meet at the crown and run down to each corner of the octagon with the purlins running around the roof structure. This has an open design to let light and air in.

A gazebo can come in different forms shapes and sizes. Long and combine to create a base width of 9 ft. The gentle slope of a hip roof with its trapezoidal sides and pyramid like elegance is a graceful traditional design that pleases the eyes and can be constructed in a combination of various unique styles. For builder rick arnold taking a little more time to understand the framing was all he needed to get started on a successful project.

6 159 on the tongue and 10 on the body to draw out the plumb and level cuts of the octagon hip rafter. Oct 17 2013 there s no denying that an octagonal turret roof is a challenging project. Or they could have purchased a chappell master framing square that has the hexagon and octagon roof framing information printed on the square. One of the advantages of an octagonal design is that the shape encloses space more efficiently than its counterpart the square.

A total of eight common and eight hip rafters make a roof with a 20 in 12 pitch. The design could be country rustic contemporary or modern but the way it is built remains the same. Using the chappell master framing square line 1 under 8 12 6159. An octagon has approximately 20 percent more space than a square with the same perimeter.

The purlins are designed to carry in plane forces and if the roof is required to provide support to the tops of the walls then bracing within the plane of the roof structure can be added to transfer the loads. Due to the turret s location only half of the rafters are extended into tails that form the soffit. Octagonal roof design hood roof bonnet roofing systems are basically a mansard roof backwards.