Not with proper material selection. We use Galvalume steel or aluminum with Kynar 500 paint systems specifically rated for coastal environments.
With proper underlayment and insulation, a metal roof is no louder than any other system during rain. Commercial installations include sound-dampening layers.
Yes — metal retrofit systems install over existing roofing, adding a new insulation layer in the process. No tear-off means lower cost and no business disruption.