What is the approx cost of a "perforated" metal sheet about 18 or 24 inches square from one of the large DIY chains?
Made of mild steel or aluminium.
Thanks.
Jim
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BTW by "perforated" I mean the type that is sort of a mesh made from expanding lots of slits. Each slit is about 1/4 to 1/2 inch long.
(1) See example on left