How to Attach Metal Roof Panels: The Step-by-Step Guide

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If you're looking to install a new metal roof, the first step is knowing how to attach the panels. There are two main ways to do this: exposed fastener and concealed fastener systems. In this blog post, we'll go over the steps for both types of systems, so you can choose the best one for your needs. We'll also discuss the importance of tightening the screws correctly and show you how to do it the right way. Plus, we'll tell you what tools you need to get the job done!

What's the Difference Between an Exposed and Concealed Fastener System?

The first step in choosing the right fastener system is understanding the difference between exposed and concealed fasteners. Exposed fasteners are just what they sound like - the screws or nails that hold the panels in place are visible after installation. Concealed fasteners, on the other hand, are hidden from view.

There are a few benefits to choosing a concealed fastener system. First, they provide a more polished look since the screws are hidden. Second, they're less likely to leak since the screw heads are covered. However, exposed fastener systems are usually easier to install.

Now that you know the difference, let's move on to the installation process.

Roofing business insights: How to Successfully Start Your Metal Roofing Company in 2022.

Exposed Fastener System:

An exposed fastener system is the most common type of metal roofing. It's also the easiest to install, which makes it a great option for do-it-yourselfers.

You'll need the following basic tools to install an exposed fastener system:

  • Drill
  • Screws
  • Tape Measure
  • Level
  • 1 The first step is to pre-drill holes in the metal panels. You'll need a drill bit that's slightly smaller than the roofing screws you're using. This will ensure that the threads of the screw can grip the metal properly. Once the holes are drilled, you can then start attaching the screws.
  • 2 It's important to not install the screws sideways, as this can cause the panels to leak. Make sure the head of the screw is flush with the panel and then tighten it until it's snug. You don't want to overtighten the screws, as this can strip the threads or break the head off entirely.
  • 3 Then attach the panels to the purlins (the horizontal beams that run along the length of the roof). To do this, you'll use screws or nails. Make sure the fasteners are the correct size and type for the panels you're using.
  • 4 Once the panels are attached to the purlins, it's time to install the drip edge. The drip edge is a strip of metal that helps direct water away from the edges of the roof. It's important to install the drip edge before the next step, which is attaching the panels to the eave (the edge of the roof that extends beyond the exterior wall).
  • 5 To attach the metal roofing panels to the eave, you'll use screws or nails. Again, make sure the fasteners are the correct size and type for the panels you're using. Once the drip edge and eave are in place, the next step is to install the gable trim. The gable trim is a strip of metal that's placed at the peak of the roof (the highest point).
  • 6 Installing the gable trim is similar to installing the drip edge and eave - you'll use screws or nails to attach it in place. Once the gable trim is in place, your exposed fastener system is complete!

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Concealed Fastener System:

A concealed fastener system is a bit more difficult to install, but it has a cleaner look since the screws are hidden.

You'll need the following tools to install a concealed fastener system:

  • Pneumatic or cordless drill
  • Screws
  • Tape Measure
  • Level

Installation of a concealed fastener system is similar to an exposed fastener system, with a few key differences. The first is that you'll need to use a pneumatic or cordless drill, as the screw heads need to be countersunk into the metal. This means that you'll need to make pre-drilled holes, and then use a larger drill bit to enlarge the hole.

Another difference is that you'll need to install the screws at an angle. This helps the screw grip the metal better and prevents it from coming loose over time. Start by drilling a pilot hole and then angling the drill bit so it's at a 45-degree angle. Insert the screw and tighten it until it's snug.

Once you attach the panels to the furring strips with screws, make sure the screw heads are flush with the surface of the panel. Next, install the Z-bar flashing. This will help the water run off the roof. Finally, install the ridge cap. This will seal the edges of the roof and protect it from the elements.

Now that you know the basics of how to attach metal roof panels, you can start your project with confidence! Just remember to take your time, use the right tools, and follow the instructions for either an exposed or concealed fastener system. With a little bit of effort, you'll have a beautiful and long-lasting metal roof.

AMSI Supply is dedicated to providing everything for the metal roofer. Contact Us today to inquire about our products.

You can also check out our blog for expert metal roofing business tips like How to Write a Roofing Estimate: The 7 Most Important Elements and 6 Tips for Roofing Companies to Reduce Customer Callbacks.

Contact Us today to learn more about our standing seam metal roofing tools and supplies.

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