Joseph lstiburek talks about the not so controversial ways to maximize the efficiency and airflow of your roof and attic.
Joseph lstiburek attic ventilation.
The ventilation requirement varies between one square foot of net free ventilation area per 300square feet of attic floor area 1 300 to one.
Joseph lstiburek is the founding principal of building science corporation.
Lstiburek s commitment to advancing the building industry has had a lasting impact on building codes and practices throughout.
In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic.
By joseph lstiburek issue 221.
Joseph lstiburek s 15 research works with.
Baffles placed in this area channel intake air into either the attic space or vent chutes and also prevent insulation from falling into the soffit and blocking airflow.
Some building scientists notably joseph lstiburek defend attic ventilation.
Attic and roof will and can be used interchangeably.
There s been so much stuff said about roofs that you sometimes lose perspective.