If you feel like your.
Finished attic insulation ventilation.
What about finished attics.
There was ridge vent originally installed but sealed up with spray foam closed cell.
Insulating a finished attic there are two basic ways to insulate a finished attic.
Ventilation the best method for ventilating any roof is to have some type of venting up high on the roof that allows for rising hot air or warm damp air to escape.
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.
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.
So it s time to pay close attention to what s happening up there.
And of course the type of insulation whether it s loose fill cellulose or sprayed foam polyurethane will affect the r value as well.
Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Permanent stairs carpet heat ceilings drywall completely finished.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Most codes require a specified minimum amount of headroom and it s tough to meet this requirement when insulating a finished attic especially since most codes require insulation equal to r 38 or more.
If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space.
These specialty vents do not affect the finished look inside the remodeled attic.
The soffit vents are installed at the eaves which allow fresh air to rise up and along the.
5 year old house finished attic.
The answer is rafter venting.
Whoever finished off the attic should have installed soffit vents and soffit chutes and a ridge vent.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.