Finished Attic No Ventilation

Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all.

Finished attic no ventilation. I hope someone can help us and the 2 contractors who have diagnosed the problem as nothin to do now. To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. The energy savings touted by unvented attics can be as high as 20. We have been told that we cannot put in ventilation now because there is no space left between the insulation and the roof.

However if moisture is able to enter the unvented attic space it may lead to roofing panel issues. A combination of air sealing and insulating the attic floor while providing ventilation considerably reduces the potential for condensation as warm moist air is less likely to enter. The previous owners of our house finished the attic and put in absolutely no ventilation. Gable vents may circulate air through only a small percentage of your attic.

The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. Since parts of a finished attic are usually very close to the roof insulation often blocks proper ventilation that is needed under a roof structure. Without properly insulating your finished attic room will also be cold in the winter. Too often mechanical ventilation ducts from bathrooms kitchens or laundry rooms deposit warm moist air into the attic instead of outside the building envelope.