About the home few things are more misunderstood than attic ventilation. In essence, to reduce moisture levels and to keep it fresh all ventilation is about circulating air. A high level of moisture is unreasonably present in about 90 percent of homes in the Sydney.
If not a roof-saver, a life-saver from some form of roof ventilation might just understand whether your home could benefit. Here are the facts and some of the myths you need to know about attic ventilation.
More Attic Ventilation is great
You want precisely the right amount of attic ventilation for your home just like properly sizing your air conditioning unit and furnace. During the winter moisture problems is resulted from insufficient ventilation and during the summer decreased energy efficiency is resulted but if not worse more ventilation can be just as bad.
Essentially another place of vulnerability where leaks can occur roof vents creates an additional roof penetration. You don’t want to needlessly increase the number of roof penetrations although some vents are necessary.
More than leaks, these seams allow sparks from a wildfire to enter your home or during a hurricane can cause blowouts.
So, how much ventilation should you have? Without exception, to determine what your home requires you should talk to a professional for roof ventilation systems.
Generally speaking, for every 300 square feet of ceiling space, you need a ratio of 1:300 and 1 square foot of attic ventilation. The area of true ventilation is reduced by the air interference and resistance. In other words, as vented space the entire vent opening is not counted.
For Warmer Climates Roof Vents are needed
During the summer the importance of roof ventilation is believed to increase energy efficiency by people. Shingle color, to overall energy efficiency rather than ventilation insulation and sun exposure are exponentially more important although good roof ventilation can do this. Sure, during the summer your hot air can be reduced by installing roof vents for older homes, but to increase your home’s energy efficiency there are probably more cost-effective and low-risk ways.
Meanwhile, preventing moisture damage applies to colder climates more than warmer ones and is a much greater benefit. In fact, the more likely it is that your home will have advantages from attic ventilation the colder the climate. Mould cleaning service can clean the mold arising due to improper ventilation.
To prevent condensation on your roof sheathing you’ll need highly rated, rigid insulation In order to install an unvented roofing system in colder climates. You don’t need to worry about condensation in warmer climates.
Think about on your grass how many times dew forms. In these climates, instead of the attic floor along the roof line by installing a thermal barrier, hot attic spaces are eliminated.
You should talk to a roof inspector about any inherent weaknesses and your current system that may be at work if you’re unsure about your attic ventilation in general if you don’t know how your roof vents work.
Along with the negligible cost of installing a good-working ventilation system the risk/reward for having poor ventilation or no ventilation makes them one of the sins of home maintenance negligence, which is negligible.