roofing copper

roofing copper

[′rüf·iŋ ‚käp·ər]
(metallurgy)
Copper that has been hot-rolled to sheets in 14- to 32-ounce (400- to 900-gram) weights.
References in periodicals archive ?
Also anyone who may be offered this distinctive green copper, which is specialist roofing copper, for sale is asked to ring police.
Announcement of competition: Renovation of church spiers that include replacement of standing seam roofing copper