V-grooves that go most of the way through a PCB are one way to go about this, but a line of perforations along which to snap a tab is another. But what’s the best size and spacing of holes to use?

HOUSTON--(BUSINESS WIRE)--Westlake Royal Building Products ™ (“Westlake Royal”), a Westlake company (NYSE: WLK), has added a new V-Groove profile to the Celect ® Cellular Composite Siding line.