How To Install Purlins For A Metal Roof

They are also popular for the people who like to install the roof themselves because the process is easier.

How to install purlins for a metal roof.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge. Most metal shingles will be attached to the roof using metal shingle. Drive a pair of 8d nails through the wood.

Snap a chalk line horizontally across the roof two feet down from the top. Run a tape measure from end to end along the rafters of the roof to determine how many purlins will be needed. This method is used for trusses designed to be closer together from 2 on center up to a maximum of 5 on center. Setting corrugated metal roof purlin spacing in a proper distance is an important part of the entire process.

Metal panels has great resistance to bugs and fires to the extreme condition such as snow wind and storm. These will stop the entry of rain wind and pests. Doubling up in the valleys refer to the installation manual for the proper on center spacing and be sure that the purlin is attached to the roofing truss. What do i need to know about installing purlins for my metal roofing project.

Use the lower edge of the roof as a guide and install nailers end to end across the roof with the lower edge two inches from the edge of the roof. How to install metal roof purlins step 1. There are a few common questions we see arise when discussing the installation of the purlin system. In the valleys due to the angle typically produced at the valley and the use of transition flashing it is essential that the purlins are doubled in the.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Set the second.