The answer to 'missing ridge vent' is that a missing or improperly installed ridge vent can lead to several issues, including poor ventilation, potential moisture buildup, and decreased energy efficiency in the home. Ridge vents are an important component of a roof's ventilation system, helping to expel hot, moist air from the attic and prevent problems like mold, mildew, and premature roof deterioration.
Some common causes of a missing ridge vent include improper installation during roof construction or replacement, damage or removal over time, or the homeowner never having a ridge vent installed in the first place. Symptoms can include stagnant air in the attic, increased cooling costs, and visible signs of moisture or ventilation problems. To fix this, the ridge vent will need to be properly installed or replaced by a professional roofer. Attempting to DIY a ridge vent installation is not recommended, as it requires specialized knowledge and tools to ensure it is done correctly and safely.