No Vents In Attic

Properly vented attic space will not do that because its theoretically the same temp as it is outside.

No vents in attic. For proper ventilation it isn t enough for air to simply get into your attic. Problems when roof has no overhang. Obviously more research is needed but here s what we do know. Your actual living space is sealed.

If you are installing a new roof consider a drip edge vent. Ice damming is caused by the warmer attic space melting the snow down to the cooler eaves where it freezes. Gable vents may circulate air through only a small percentage of your attic. This moisture is released into the air inside the house from bathing cooking plants laundry and other causes.

Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all. On the principle that hot air rises the accumulated heat and moisture would rise to the attic and out the roof vents. If you don t see any attic vents on the roof or in the eaves you need to add some. Your roof may have a ridge vent which is a low profile continuous roof air vent running along the peak of the roof.

The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. For the same reason insulation shouldn t touch the roof s underside. Look at your eaves and roof. Too often mechanical ventilation ducts from bathrooms kitchens or laundry rooms deposit warm moist air into the attic instead of outside the building envelope.

If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the. Don t avoid ventilating your attic for fear you re letting cold air into the house. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. 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.

The design of many older houses omits eaves which maximizes the amount of sunlight. Focus on the other ventilation you have in the attic. Your roof vents may not look anything like the ones shown in this article. How to vent an attic with no eaves the function of soffit vents.

Install low gable vents located above the top level of the attic ceiling insulation use eye brow vents that are on the top of the sloping roof surface near the soffit eave area. Without adequate ventilation moisture rises with the hot air and forms condensation on the inside of the roof deck.