If you are like most people, you probably don 't give much thought to your attic. After all, it 's probably where you keep excess items stored. However, the attic is an extremely important part of your home. Even the smallest issue, can have a huge impact on your roof. One of those issues to pay attention to is ventilation. Just like the rest of your home, your attic needs to be well ventilated. If it ' isn 't, your roof could wind up suffering in a myriad of ways. Some of the most common roofing issues caused by poorly ventilated attics include: 1. Ice Dams Perhaps one of the most common issues caused by poor attic ventilation is ice dams. An ice dam occurs when ice begins to form a layer on your roof. It is most commonly seen on the edge of a roof. As snow …show more content…
2. Rust Poor attic insulation can also cause rust to form on your roof. As moisture levels begin to rise inside the attic, they also begin to rise in your roofing. High moisture levels allow rust to grow. This might not sound like a big issue, but it is. Rust causes metal to weaken, which means all those metal nails and hardware can fail. This is very dangerous, as the roof could potentially collapse. 3. Mold and Mildew Finally, poor attic insulation can cause mold and mildew to form on your roof. As warm air mixes with cool air in your attic, condensation forms. This allows mold to grow, as it thrives in damp conditions. While mold doesn 't typically cause any structural issues, it can affect the appearance of your roof. Mold and mildew stain. So even if you clean your roof, it will likely appear blotchy. However, mold and mildew can also affect your health. If you have mold on your roof, the chances are high that it is also in your home and attic. As you can see, poor roof ventilation can affect your roof in many ways. Luckily, all of these issues can be avoided with proper ventilation. If you aren 't sure whether your attic is ventilated properly, contact a professional roofer and have it