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on 1/28/18Hi Ric - Each panel is completely isolated from the next with a rubber seal that prevents any metal-to-metal contact. We dislike rattles as much as you do! Our customers routinely tell us they can't hear any noise from their Peragon cover. It is possible under the right conditions of dirt / dust / moisture / vibration that you might hear a squeak, but it isn't normally an issue with our cover.