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Standing seam roofing is an increasingly popular style of metal roofing. While it's newer to the market, it offers numerous advantages over traditional metal design and installation options. Here are a few reasons it stands out on the market. 

3 Facts About Standing Seam Roofs

1. No Caulking & Nailing

One of the primary differences between standing seam and traditional metal roofing is the installation process. Instead of nailing down each panel and caulking over the opening, most standing seam systems are designed with raised and ribbed edges that interlock. Clips are then used to secure them. Since nails aren't the primary fastening source, there's a significantly lower risk of leaks and water damage. 

2. 4 Style Choices

metal roof

Roofing contractors consider slope, climate, and budget when determining which metal roofing option is best for each property. There are four main styles of standing seam roofs to choose from:

  • Snap-Lock: Each panel snaps together, making installation quick. It's an excellent choice for hot climates, like the southwest United States, because thermal expanse won’t harm the system. 

  • Mechanical: Requires the use of a hand crimper to seam the panels together and is available with a single- and double-lock design. Single-lock systems offer the benefit of easy panel replacement if damage occurs, while double-lock systems are better suited for roofs with pitches as low as one-twelfth.  

  • Nail-Hemmed: Produced with large holes that connect via a hidden fastening strip. Nail-hemmed roofing offers a lower price point than mechanical and snap-lock, but it's limited to rooflines less than 25 feet long with moderate or high slopes. 

  • Exposed Fastener: The only option that pins directly to the decking underneath. However, special screw coverings are used to seal each piece safely. Exposed fasteners are an excellent match for any homeowner who wants the enhanced protection of a standing seam metal roof but has a much lower budget.  

3. Long Lifespan & Low Upkeep

A top perk of metal roofs is their longevity. Generally, standing seam systems last around 50 years or more. They also boast minimal to no maintenance needs, depending on the style. The exception to these rules is exposed fastener systems, which require regular upkeep and replacements after about 15 years; however, they boast a lower initial investment. 


If it’s time for a roof replacement on your home, turn to A-2-Z Roofing & Supply Co., Inc. in Kingman, AZ, for professional assistance. Homeowners across Mohave County rely on the trusted roofing contractor for dependable services. Learn more about the skilled team's expertise online, and request a free metal roof estimate at (928) 757-2071.

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