Installation Shake Roof On Purlins

Move two feet down the roof and snap a horizontal chalk line.

Installation shake roof on purlins.

Snap the third chalk line two more feet down and continue down the roof until it is covered with purlins. Shake shingle roof application instructions feb 10 2017. You will also need to install purlins around penetrations such as plumbing pipes electrical pipes and skylights among others. Plywood roof sheathing on a sloped roof particularly on low slope roofs can provide some diaphragm action if the roof framing is rigidly attached to the wall plates.

During the roof installation or re roofing process after the roof sheets are prepared it is time to support their framework by installing purlins. Click on the below links to view the full application instructions for. When positioned roof purlins should be spaced no further than 1 2 metres apart when using sheeting with a thickness of 0 7mm and 1 metre when using 0 5mm sheeting. A in my view purlins are the best choice for a shake roof.

In order for the sheets to be easily fixed to the purlins as a rough guide they should be at least 50mm wide. Looking for a dealer in your area. Return to all blogs. Purlins need to follow the sides edges of the roof it is important to note that in addition to the proper spacing and doubling of purlins the valleys it is essential to include purlins along the entire perimeter of the roof.

The structure of purlin helps to shift some of the loads that put on the metal sheeting to the main building construction by ensuring that the whole things stay in their place and adding structural integrity. Plywood is used more often these days because it is faster to install. Shakes last much longer when installed on purlins or skip sheathing because they can dry from the back as well as from the top.