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Free Plans, octagonal eight sided gazebo project
How to build a Gazebo
Copyright © Buildeazy.Com Ltd.
2400mm diameter
Octagonal Gazebo Plans
This is the metric version
Click here for the ft and inch version
bullet Page 1: Introduction     User Comments and/or Photos
bullet Page 2: Footing and post layout
bullet Page 3: Mixing concrete and standing posts
bullet Page 4: The next day / Head beams
bullet Page 5: Beam and post braces and making the hub
bullet Page 6: THE ROOF rafters and hub
bullet Page 7: THE ROOF laying the roofing boards
bullet Page 8: The handrail
bullet Page 9: Materials and tool requirement list

Page 7.

Laying the Roof Boards

The roof is constructed of 150mm x 25mm sawn (undressed) treated pine timber, a timber commonly used for fencing, and readily available at any merchants.
You will need 65 meters in random lengths of this.

Always cut the longest boards first, so the off cuts can be utilized for the smaller boards.

Firstly, put two pencil marks (square off the board) 1060mm apart along the edge of one of the random lengths of 150x25 timber (fig 8).
On those two pencil marks, pencil another line inward at 20 degrees.
gazebo roof boards
Set the blade on your circular saw to 11 degrees and cut along the pencil lines.
You now have your first roof board, and you will need eight at this length.

Cut the rest of the roof boards to the following lengths, the measurement being the longest point.

8@ 1060mm (already cut);    8@ 980mm;    8@ 900mm;    8@ 820mm;    8@ 740mm;    8@ 660mm;     8@ 580mm;    8@ 500mm;    8@ 420mm;    8@ 340mm;    8@ 260mm;    8@ 180mm;    8@ 100mm;   

When all the roof boards are cut (104 in total), take the first board (one of the 1060mm longest boards) and place it on top of the rafters in a position so that the two ends are sitting on the center of the rafters and both ends of the roof boards are equal distance from the bottom of the rafters.

Temporarily tack this board in place and then proceed with the next 1060mm board, butting up tight to the first board and tacking to the next rafter.
Continue this action around the perimeter of the gazebo roof.
On the first boards only, a 25mm thick fillet or packer will need to be inserted under the bottom edge of the board and on the rafter in order to raise it to the same pitch as the rest of the following roof boards. (See fig 9.)
The rafter pitch is 40 degrees, but because all the roof boards lower edges are raised to sit on the roof boards beneath them, the roof board pitch will be more like 30 degrees.

When the first row of boards (the eight 1060mm bds) are in place with the fillets or packers inserted, (fig 9) and are all equal distance up from the ends of the rafters, and all joining in the center of the rafters, then nail them in place onto the rafters.
From here on it gets easier.

Get one of the next longest roof boards (980mm) and lay it on one of the first fixed boards so that the ends line up flush with the lower board ends.
Check both boards are parallel. Nail in place.
Continue this around the perimeter and so on, until all the roof boards are fixed in place.
The last row of boards (at the very top) might need a trim to ensure they fit snuggly against the hub at the apex of the gazebo.

Drill and screw roof boards together where the span exceeds 500mm.

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