"metal sheet" is correct and usable in written English.
You can use it whenever you are referring to a large, flat piece of metal. Example: "The metal sheet was difficult to get off the wall."
This was the first time, however, that I'd heard someone say they wanted to copy Bilbao's building exactly, swooping metal sheet for swooping metal sheet.
I had to go under the metal sheet because the cold air was blowing in.
It sounds, after a while, like ball bearings being thrown against a metal sheet.
"It was like the noise of the shaking metal sheet," he said, then there was silence.
She wiped the gesso off the brown metal sheet, then beat a retreat to the Volvo.
"You can't run around with a metal sheet over your head for protection".
On the ground floor oysters are steamed open on a metal sheet over a brick pit.
Using protective gloves, dig and sweep the earth away, carefully remove the metal sheet and bring out the meat.
A metal sheet painted black is bent in a manner suggestive of a face with an open mouth.
The polymer of the plastic wraparound plates is usually mounted on a base consisting of a metal sheet.
These dwellings are jerry-built shacks made of scrap metal, sheet plastic and plywood, and are outfitted with discarded furniture and even carpeting.
