#Metal roof attachment method install#

The metal flashing should flex when inserted between the shingle courses, but be rigid enough to spring back to a flat profile so that it does not lift the shingle and leave lumps in the roofing.

Here’s what to look for when selecting a flashed attachment:

#Metal roof attachment method install#

Therefore, it’s important to install a quality attachment which will help you to do the job right. This process disturbs the roof shingles and, if not done properly, can weaken or tear them, thereby compromising the roof envelope. In order to insert the flashing between the courses, however, the shingles must be pried apart and nails removed from the roof deck. Flashing’s primary waterproofing mechanism is simple: a flat metal flashing is inserted between shingle courses and sheds water down the slope of the roof. Flashingįlashing is the industry standard, widely accepted by Authorities Having Jurisdiction (AHJs) and familiar to installers. Both have advantages and disadvantages, so it’s important to understand the differences and select the attachment type that is the best fit for your project. There are two main types of solar roof attachments for composition shingle roofs-flashing and flashing-free. Next month I’ll share my recommendations for selecting attachments for tile roofs.

In this article I share the top takeaways from that process and key features that make a big difference when selecting roof attachments for composition shingle roofs. Through much trial (and some error) my team developed a comprehensive evaluation process. What I quickly learned was that mounting and racking affected every part of the business and every single department had needs. Believe me, I know how it feels! For a great portion of my solar career, I worked for a large solar integrator where I was responsible for vetting and approving mounting equipment.

Selecting the right product can seem daunting. There are an overwhelming number of solar roof mounting attachments on the market and more are released every year. First in a series: Attachments for Composition Shingle Roofs