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?

The new Nickel Gap/V-Groove profile is made to be waterproof, termite resistant and low maintenance, like all other products in the Kleer cellular PVC lineup. The planks measure ¾” by 5-1/2 ...