Work with patience and with great care to get the job done in a professional manner.
Gazebo roof purlin.
Typically a gazebo has a conical eight sided shaped roof.
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The basic elements of the double roof are rafters and purlins.
It creates a solid piece that won t curve warp or bend.
There is a seemingly endless array of roof designs options for creating beautiful architectural shade creations.
The purlin notches slip over the double header boards to give the piece strength and beauty.
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To install corrugated roofing start by cutting your panels to length with an angle grinder.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
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If the rafters are longer than 7 we recommend you to install 2 6 purlins.
An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.
Continue installing the rest of the rafters as in the image.
This support is usually a beam which is protected under the rafters at a point between the ridge and the wall plate.
Rectangular gazebo roof plans.
Maximum rafter spans for a patio roof.
In double roofs if length of span is larger then it requires an intermediate support.
Finally for the top stringer boards we use 2 x 4 lumber and lay it flat on top of the purlins.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Install all the j channels before the roofing panels.
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Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
This will create a stop that you can slide your roof panels down to resulting in a perfect 1 1 2 in.
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For heavy roofs or in.
Next we screw them down into the purlins with 3 screws.
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Attach a scrap 2 4 with a couple screws to the outside edge of the bottom purlin.
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