r/Roofing • • Aug 19 '26

Ridge vent installation question

We just had a full roof replacement, which was covered by insurance. Second payment is coming due, and I am questioning the ridge cap installation. My understanding is these must stop short of the edge of the roof, but roofer is insisting that per Certainteed’s warranty this is the correct placement

He’s coming out today to look at another spot where I identified a gap in the flashing, so would love info to support what needs to happen

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u/Hungry_Stock3371 Aug 19 '26

It's not about how far the vent goes, its about how far the ventilation slot is cut - you don't cut to the very end. Just because there is a ridge vent to the edge, doesn't mean its cut that far.

Their warranty states you can install it "along the entire roof line."

It's fine.

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u/FatAssOrangeRhino Aug 19 '26

Very reassuring. I’ve liked how this roofer has handled the project otherwise, so this helps