Standing seam metal roofing panels are attached with concealed fasteners. Originally, clips engaged with the vertical legs and were used to attach the panel to the roofing substructure.

Metal roofs come in a variety of profile types including snap-lock, mechanical seam, and batten panel.

Pros

Hidden fasteners – One of the biggest advantages to a standing seam metal roof is its hidden fasteners. Most types of metal roofing, like corrugated metal, have exposed screws or fasteners that can wear over time with extreme weather conditions. Because a standing seam metal roof’s fasteners are concealed, it is resistant to UV rays, moisture, and wind.

Durable – Even though standing seam metal is very lightweight and flexible, its concealed fasteners help a standing seam metal roof withstand extreme conditions and increase its lifespan.

Energy-efficient – Standing seam metal roof panels reflect solar radiant heat, keeping your home cool and can reduce cooling costs by 10 to 25%.

Eco-friendly – Standing seam metal roofs are made up of recycled materials like aluminum and can easily be reused.

Rust and fire-resistant – Standing seam panels are sometimes coated with Kynar, a thermoplastic fluoropolymer that prevents the metal from rusting and damaging by harsh weather conditions. Panels coated with Kynar typically feature limited warranties of up to 40 years.

Cons

Expensive – Standing seam metal roofing panels need to be installed by a professional roofer, costing double the amount of a typical asphalt shingle roof and more than other metal roofing materials.

Noisy – If your home isn’t properly insulated, a standing seam metal roof can be noisy when it rains or storms.