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SAN JOSE — A crucial aspect of any roof replacement project is ensuring proper attic ventilation. In fact, all roofing warranties stipulate that the attic must be vented properly, which means if yours isn’t, you could lose out on a lot of money.
A properly ventilated attic consists of both intake and exhaust vents, which allow for the release of hot air and the introduction of cool air. There are several different types of attic vents, including ridge vents, soffits (under-eave vents), box vents and wind turbines. Typically, a roofer will install a combination of these vents to create a system that works together to maximize ventilation.
Attic ventilation is vitally important because it has a direct impact on roof lifespan. In the absence of ventilation, hot air is allowed to build up inside the attic. As humidity in the attic produces moisture, it can cause the roof above to begin to rot. Over time, this can compromise the roof’s structural integrity and eventually result in premature failure.
Unfortunately, few homeowners are aware of how important attic ventilation is for a roof. What’s more, you’d be surprised at how many homes in the Bay Area have insufficiently ventilated attics. So, when hiring a company to replace your roof, be sure to discuss attic ventilation and make sure you’re getting exactly what’s needed. Remember, this aspect of the project alone can determine the validity of your roof warranty. Most manufacturers stand by their materials, and if there’s a claim, the first thing they’ll look for is the presence of adequate ventilation.