On Tuesday, April 13, 2021 at 12:15:53 PM UTC-4, r31 aug wrote:
Are shingles on a plastic ridge vent only for cosmetic appearance? (About 8ft of shingles blew off the ridge vent; vent itself is fine.) If I don't use shingles at all and just cover the plastic with some ultraviolet resistant covering (which would be easier for me to do vs. nailing in shingles), would that probably last 5-7 years or so in the sun in the NYC area? For the UV-resistant covering, I was thinking maybe Gorilla tape, or even roof cement spread over the ridge vent. The ridge vent is GAF Cobra roll, and the data sheet for that says the plastic contains Carbon black, which is good for UV resistance, but I want to cover that ridge vent plastic also, to provide more UV shading. Thanks.

What's so hard about nailing on cap shingles? Sounds a lot easier to me than
trying to kludge something half-assed together that's going to be an obvious
kludge job. You can just cut regular shingles
or some manufacturers offer cap shingles that don't need to be cut. Find ones
that match the roof. That roll stuff is just flimsy material and it's intended to be
covered with shingles for it to last and to keep water out. I'm sure there are plenty
of youtube videos showing how to do it.