House With No Attic Ventilation

Don t avoid ventilating your attic for fear you re letting cold air into the house.

House with no attic ventilation. There is no attic there is no insulation whatsoever. Improperly installed attic ventilation cannot address two important aspects of indoor comfort. Authoritative expert building diagnostic and repair advice toxic black mold and. Attic ventilation and you do have an attic so to speak i ll get to that in a minute is a science that is unique to the architecture of each building.

There are no one size fits all solutions. The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. For proper ventilation it isn t enough for air to simply get into your attic.

Problems when roof has no overhang. This moisture is released into the air inside the house from bathing cooking plants laundry and other causes. On the principle that hot air rises the accumulated heat and moisture would rise to the attic and out the roof vents. Obviously more research is needed but here s what we do know.

This can lead to a number of serious and expensive problems. How to vent an attic with no eaves the function of soffit vents. The design of many older houses omits eaves which maximizes the amount of sunlight. For example on a hip roof ridge vent is usually not the way to go on most hip roofs there simply isn t enough ridge length.

Without adequate ventilation moisture rises with the hot air and forms condensation on the inside of the roof deck. When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still get. It s in atlanta and when it s over 85 degrees the ac runs continuously. Passive ventilation now that we have that out of the way let s get to the heart of the matter venting a house with little to no eaves or soffits.

Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. Without proper ventilation moisture from everyday activities such as showering washing laundry and washing dishes rises to the attic and slowly collects there. Your actual living space is sealed. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the.