--- title: What would cause the ridge vent to not lay flat on the roof after installation? description: Use ring shank nails long enough to penetrate through to the underside of the roof deck.   --- [Skip to content](https://help.gibraltarbuildingproducts.com/en/knowledge/the-roofing-contractor-has-just-completed-installing-shinglevent#main-content) English Show submenu for translations ![GBAD Full Color.png](https://blog.stealthbond.com/hubfs/GBAD%20Full%20Color.png) Open main navigation Close main navigation - English Show submenu for translations - Go to www.gibraltarbuildingproducts.com Go to www.gibraltarbuildingproducts.com Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://help.gibraltarbuildingproducts.com/en/knowledge?hsLang=en) 2. [Ventilation](https://help.gibraltarbuildingproducts.com/en/knowledge/ventilation?hsLang=en) 3. [Ridge Vent](https://help.gibraltarbuildingproducts.com/en/knowledge/ventilation?hsLang=en#ridge-vent) # What would cause the ridge vent to not lay flat on the roof after installation? ## Use ring shank nails long enough to penetrate through to the underside of the roof deck. It sounds like the nails are pulling out of the deck. 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