Insulating And Ventilating An Attic

That means insulating the attic floor only not the walls and having vents in the roof.

Insulating and ventilating an attic.

How to determine whether you need better attic ventilation. In the winter warm moist air seeps into the attic from the living space below. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. For diy attic insulation you ve got two choices.

In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Best ventilation is open soffit venting to a open vented ridge vent. With a finished attic insulation must help keep the attic areas comfortable.

One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home. Good ventilation allows the heat and moisture to escape. It can do both.

Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation. About attic ventilation natural attic ventilation. In the summer good attic ventilation reduces heat buildup.

Ridge vent must me installed per the manufactures instructions. How to insulate a finished attic. Insulation at least r 38 or more is there for heating and.