Knee vents that fit along the area where the roof joins the house can also provide good ventilation for porches according to the roofing contractor review website.
Porch roof venting.
In the summer differences between your roof temperature and the outside air can still cause condensation especially interstitial condensation or water trapped in the layers of your roof.
That s not to say that roof ventilation is only valuable in the winter.
If your porch has developed ceiling stains or problems shedding snow and ice in the winter try providing additional venting for the roof system.
Roof vents help make a home more energy efficient and allow humidity and hot air to escape the.
Without soffit vents or roof vents will the roof get hot enough to shorten the life of the asphalt shingles.
Are there any other reasons to vent a porch roof.
Bill rose architect and building researcher at the university of illinois in urbana champaign responds.
Last year i replaced a flat porch roof with a 6 12 pitch.
Porch roof ventilation options.
Durable plastic and glass panels in your porch roof provide weather protection while also maximizing natural light.
Louvered vents provide good air flow for roof areas.
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.
It would of course be quite easy and less risky for rain leakage to put vents in the sheetrock porch ceiling portion under the house roof but i don t know if that is a bad idea for any reason.
I m wondering if there is some way to add ventilation in the ceiling of either the part under the house roof or the added panel roof to help hot air trapped on the patio rise up and out.
I would expect the overall performance of a vented porch roof and a porch roof without vents to be about the same.
Porch roof venting posted in general discussion on may 5 1999 10 54am i ll be soon building my open air porch on my house soon ne ohio.
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.
Proper roof ventilation is an important aspect of home construction.