Proper roof ventilation is an important aspect of home construction.
Venting a porch roof.
Last year i replaced a flat porch roof with a 6 12 pitch.
Porch roof ventilation options.
People have strong and differing opinions on whether roof venting affects shingle life.
Roof vents help make a home more energy efficient and allow humidity and hot air to escape the.
This will not be an enclosed porch however the roof and ceiling.
Knee vents that fit along the area where the roof joins the house can also provide good ventilation for porches according to the roofing.
It will be a simple 3 12 pitch roof tying into the house front with ceiling joists with pine 1 4 tg beaded boards for ceiling.
In a cold climate the primary purpose of ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent any moisture that moves from the conditioned.
Louvered vents provide good air flow for roof areas.
I installed collar ties to leave an open space above the finished room along with r 15 insullation and installed a fan on a thermostat at the end of the roof in addition to ridge vent to suck all the hot air that collected between the roof and porch ceiling.
The intent of roof venting varies depending on climate but it is the same if you re venting the entire attic or if you re venting only the roof deck.
If your porch has developed ceiling stains or problems shedding snow and ice in the winter try providing additional venting for the roof system.