This perception usually comes from people who have stood under a barn or shed with a metal roof during a storm and heard the raindrops hitting a roof with no underlayment or insulation.
Rain on steel roof.
Metal roofs are noisy in the rain.
Metal roofs have always been perceived as being noisy especially when it rains.
The short answer is yes uncoated standing seam metal roofs can indeed be loud in the rain.
The way roofs are installed over residential homes is a lot different than the way they re installed over secondary structures and this installation process makes metals roofs.
Roots of a myth when asked to think back to any childhood memories about metal roofs a large number of people cite experiences with listening to the sound of rain on a metal roof.
Both homeowners and businesses have the same concerns about disruptive rain noise on metal roofs.
In many cases the memories involved escaping a rainstorm underneath a patio roof or within an exterior building with open rafters and a large exposed metal roof.