According the the Metal Roofing Alliance, the answer is a definitive no.
PORTLAND, Ore.—It’s a common debate as the peak rainy season approaches, especially among homeowners as they consider re-roofing projects this spring: Are metal roofs loud on rainy days, and if they are, is that a pro or a con?
“Homeowners typically fall into one of two camps—they either want to hear the patter of rain on their roof, or they don’t,” said Renee Ramey, executive director of the Metal Roofing Alliance. “A lot of people think the sound of rain is soothing and will help them sleep without the need for a fancy white noise machine. For others, they are worried the sound may be too disruptive.”
In either case, the issue of noise can be a deciding factor for homeowners who are considering replacing a roof. For those who want to turn up the volume of rooftop rainfall, the reality may come as a wet blanket: The fact is a well-constructed metal roof simply won’t transmit any more sound than an asphalt roof.
Hearing is believing
Ramey says it’s easy to understand how the myth of noisy metal roofs started. On its own, metal can make a pinging or metallic ringing noise when struck. However, for a roof, sound transmission depends not only on the roofing material, but the roof decking, insulation and installation techniques. Quality metal roofs installed over a solid substrate such as plywood or even an old asphalt roof, with proper insulation and fasteners, will greatly reduce sound transmission. Today’s metal roofing material is often manufactured with formed or texturized patterns that help break up the impact of drops hitting the roof, leading to reduced sound. The result is a roof that is no louder than other roofing types.
“If homeowners really want to hear the sound of rain, they are better off adding skylights. Which you also can do when installing a metal roof, by the way,” Ramey added.
According to the MRA, a noisy metal roof can be a red flag that the roof wasn’t installed according to the manufacturer’s recommendations, or that there is a lack of proper insulation. Too-few fasteners, fasteners that are loose or are incorrectly placed can be an issue. Roof underlayment also can make a big difference. Foam insulating panels or mats installed between the sheathing and roofing material not only can reduce sound but provide benefits such as increased efficiency and protection. Additionally, the shape of roof is a factor when it comes to sound, no matter what material is used. A roof with a higher profile and more attic space tends to be quieter than a flat roof.
Metal roofs offer additional benefits for those who reside in rainy regions. Thanks to tight seam construction, protective coatings and the natural water-shedding ability of metal, properly installed metal roofs help prevent leaks and problems that can allow moisture to seep into a home’s interior. They reduce maintenance caused by moisture that plague other types of roofs, such as helping prevent the growth of moss and fungus. That makes metal a top choice for homeowners looking for maximum long-lasting performance and simple, worry-free maintenance.
“With any roof, the whole is greater than the sum of its parts,” said Ramey. “A quality metal roof that has been properly installed will deliver a lifetime of reliable protection, and for the vast majority of homeowners, that’s music to their ears.”
Metal Roofing Alliance (MRA)
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