![]() ![]() ![]() Also, older homes were oftenīuilt with inadequate attic ventilationat least by today's standardsand Ventilation needed in a new home to prevent winter moisture buildup,īut your summer needs are much greater. Building codes specify the minimum amount of attic.System to work much harder to cool the house. Make the inside of the house much warmer or cause an air conditioning An unfinished attic builds up a tremendousĪmount of heat, and if that heated air has no place to escape, it can Typically much higher than the inside temperature, attic ventilation During the summer, when the outside temperature is.That not only reduces the value of your insulation but If that happens insideĪn unfinished attic, for example, it can get insulation and framing The vapor begins to condense into water droplets. Of the living area and into the structure. ![]() The problem is that vapor gradually works its way out.Warm air holds more moisturein the form of water That vapor isn't a problem inside the average homeīecause the temperature inside the home is warmer than outside for much.There are a wide variety of sources of moisture inĪ home, from the building materials themselves to normal everyday activities.Ĭooking, bathing and washing clothes all release gallons of water vapor.To install vents that will keep your home in good condition. This documentĮxplains how attic ventilation protects a home from moisture and how Healthy homeboth for the structure and its occupants. Proper attic ventilation is an important part of a.This creates an even wash of air along the entire underside Vents spaced regularly along the soffit and a ridge vent running the length 5 - Any ventilation system depends on intake vents installed in the soffit to draw fresh air into the attic.Īgree that the most effective attic ventilation system consists of intake Power ventilator works well but consumes some of the energy you save inįIG. They can be very effective, but their effectiveness is reduced when the wind isn't blowing. 3 - Turbine vents draw air out of the attic when spun by the wind. 2 - Roof line or eyebrow vents provide reasonably good ventilationas long as you have enough of them.įIG. Inside this document you will find information about:ġ - Gable vents are common in older homes unfortunately, they are often inadequate because air flow is limited inside the attic.įIG. ![]()
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