--- title: Why is attic ventilation important? description: Attic ventilation is important because it provides year-round benefits to the building materials and occupants of the house. --- [Skip to content](https://help.gibraltarbuildingproducts.com/migration/en/knowledge/hello-us-sunlight.-why-is-attic-ventilation-important#main-content) English Show submenu for translations ![GBAD Full Color.png\]](https://help.gibraltarbuildingproducts.com/hs-fs/hubfs/GBAD%20Full%20Color.png?height=40&name=GBAD%20Full%20Color.png) - [Default HubSpot Blog](https://semetals-1971711.hs-sites.com/blog) Open main navigation Close main navigation - [Default HubSpot Blog](https://semetals-1971711.hs-sites.com/blog) - 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. 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Heat and moisture are hard on roof shingles and roof sheathing. In the hot summer months, a poorly ventilated attic will dramatically reduce shingle life and may even void the shingle warranty. In the colder winter months, moisture from everyday activities inside the house can enter the attic. Without proper ventilation, this moisture promotes mold and mildew, saturates insulation, and can freeze on the underside of the sheathing. In the summer, heat from the attic can radiate down into your living area making the air conditioner work harder to cool your home. - [Default HubSpot Blog](https://semetals-1971711.hs-sites.com/blog) [![Gibraltar Building Accessories Logo](https://help.gibraltarbuildingproducts.com/hs-fs/hubfs/GBAD.jpg?width=2500&height=777&name=GBAD.jpg "Gibraltar Building Accessories Logo")](https://www.gibraltarbuildingproducts.com/) www.gibraltarbuildingproducts.com Help Center Copyright © 2026, Gibraltar Building Accessories Division