Hexagon Roof Framing

Saw off 10 mm from a side so that it now measures 90mm x 80 mm.

Hexagon roof framing.

In this example the octagon segments are 4 ft. The structures i have solved to date had backed hips meeting at the center. I positioned the cross members to coincide with the plywood roofing pieces. Chop the 90 90 mm wooden block to a length of 550 mm.

Edited 6 5 2006 9 54 am et by joebartok. This is how i ve worked out the formulae. Start by making a central apex block to make a flat attaching point for every rafter. Mark and cut an end as shown in diag.

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. It was difficult to hold all the roof beams in place until i had located them accurately. The unit run for the hip rafters is 13 7 8. The central angle for an octagon roof is 45.

Some galvanised floor joist hangers came in really handy for attaching the roof to the main body. Long and combine to create a base width of 9 ft. 10ft bayside gazebo by outdoor living today assembly sequence. We have found the value of a which defines a point on the underside of the triangular panel directly under the roof s apex we know that when 2 planks meet at some angle the bevel will be the same right along the edge.

So i decided to draw out a similar hexagon plan. If i did this again i would build the roof frame on the ground and lift it into place once all secured together. First i figure out the framing dimensions with a calculator. Then i cut all the parts and assemble the roof on the deck next to its intended location.