FS Rain Noise chart

Noise from Rain on a Steel Roof

We wanted to know if steel roofing is louder during a rainstorm than asphalt roofing so we partnered with the national research council of canada (nrc) to see if there was a difference.

As you can see from the graph, an asphalt roof (Roof A) is technically quieter than the 2 steel profiles (Roofs B, C, D, E) we tested but only marginally and we must note that most humans cannot distinguish between sounds that are 5-8 dB apart. Installing a steel roof over a solid deck with a good underlayment, and with an insulated attic airspace below, makes it easy to control the noise.

For more information on the study, see our Fact Sheet #50.

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