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Common Issues When Installing Standing Seam Metal Roofs

20 June 2023 by Leslie Turner

Standing seam metal roofs offer many benefits, such as durability, weather resistance, energy efficiency, and aesthetic appeal. However, they also come with challenges requiring careful attention and expertise during installation. Some common issues emerge when installing standing seam metal roofs, but there are also ways to avoid them.

Oil Canning

Oil canning is a term that describes the visible waviness or buckling of metal panels in flat areas. It is caused by various factors, such as stress from coiling, slitting, roll forming, thermal expansion and contraction, and structural movement.

Oil canning is not a defect but rather an inherent characteristic of metal roofing. However, it can affect the appearance and performance of the roof if not appropriately addressed.

Some ways that a roofing contractor can reduce or prevent oil canning are:

• Choosing a thicker metal gauge
• Using rib rollers to add stiffness to the panels
• Installing the panels with proper alignment and spacing
• Allowing for adequate thermal movement of the panels

They will also avoid over-tightening or under-tightening the fasteners.

Incorrect Panel Alignment

Another common issue when installing standing seam metal roofs is incorrect panel alignment. This can result in gaps, overlaps, leaks, and aesthetic problems. Inaccurate measurements, improper cutting, faulty equipment, or human error can cause incorrect panel alignment.

Some ways that a roofing contractor can correct panel alignment are:

• Using a chalk line or laser level to mark the panel layout
• Cutting the panels with precision
• Using quality roll-forming machines
• Following the manufacturer's installation instructions

They will also check the alignment of each panel before fastening.

Improper Flashing and Sealing

Flashing and sealing are essential components of any metal roofing system. They protect from water intrusion, air infiltration, and moisture accumulation. Improper flashing and sealing can lead to leaks, corrosion, mold growth, and structural damage.

Some ways that roofing contractors install flashing to avoid these problems are:

• Using compatible materials for flashing and sealants
• Applying sealants in continuous beads and avoiding gaps or bubbles
• Installing flashing at all edges, corners, penetrations, and transitions
• Overlapping flashing pieces

A roofing contractor will also fasten the flashing securely and seal all joints to protect your new roof.

Standing requires the proper installation to avoid common issues. If you are concerned about any of these issues, contact a standing seam metal roofing installation contractor to inspect your building and offer a quote for how much your installation will cost. They will then make sure that your standing seam roof is installed correctly.

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