Frame Octagon Roof

10ft bayside gazebo by outdoor living today assembly sequence.

Frame octagon roof.

Long and combine to create a base width of 9 ft. For instance if your roof has a steep pitch you may be able to use 2 inch by 4 inch rafters but if your roof has a low pitch building code may require that you used 2 inch by 6 inch or 2 inch by 8. 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. For low pitch roofs building codes may require larger dimension rafters.

Or they could have purchased a chappell master framing square that has the hexagon and octagon roof framing information printed on the square. Framing an octagonal turret roof fine homebuilding there s no denying that an octagonal turret roof is a challenging project. 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.

A total of eight common and eight hip rafters make a roof with a 20 in 12 pitch. 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. Using the chappell master framing square line 1 under 8 12 6159. For builder rick arnold taking a little more time to understand the framing was all he needed to get started on a successful project.

How to draw any polygon with an compass straight edge. The garden rustic octagon gazebo is one of the most simple and cost effective octagonal gazebos to build. 6 159 on the tongue and 10 on the body to draw out the plumb and level cuts of the octagon hip rafter. The central angle for an octagon roof is 45.

One half of 45 is 22 5.