Frame Octagon Roof

Framing an octagonal roof bell shaped rafters call for full scale layout.

Frame octagon roof.

Framing an octagonal turret roof fine homebuilding there s no denying that an octagonal turret roof is a challenging project. The garden rustic octagon gazebo is one of the most simple and cost effective octagonal gazebos to build. Learn rick s method for framing an octagonal turret roof. 6 159 on the tongue and 10 on the body to draw out the plumb and level cuts of the octagon hip rafter.

The tangent of 22 5 41421 laying out an octagon using a framing square we would take 12 on the blade and the number to be taken on the tongue is 12 41421 which is 4 97 or nearly 5. One half of 45 is 22 5. A total of eight common and eight hip rafters make a roof with a 20 in 12 pitch. Using the chappell master framing square line 1 under 8 12 6159.

The entire gazebo is constructed out of rough sawn not dressed smoothed or surfaced lumber which in most parts is readily available and cheaper than dressed lumber. Due to the turret s location only half of the rafters are extended into tails that form the soffit. Or they could have purchased a chappell master framing square that has the hexagon and octagon roof framing information printed on the square. An octagonal plan in this example the octagon segments are 4 ft.

Long and combine to create a base width of 9 ft. The central angle for an octagon roof is 45. 10ft bayside gazebo by outdoor living today assembly sequence. Given a choice i ll take roof framing over any.

For builder rick arnold taking a little more time to understand the framing was all he needed to get started on a successful project. Watch this video for a virtual tour of an octagonal roof framing model created in sketchup for the exploring octagonal roof framing tutorial at the digital.