Flat Porch Roof Ventilation

The article notes that the ventilation cannot overcome the significant humidity drive into the flat roof structure caused by small air leaks.

Flat porch roof ventilation.

Last year i replaced a flat porch roof with a 6 12 pitch. Roof vents help make a home more energy efficient and allow humidity and hot air to escape the. Porch roof ventilation options. Soffit vents have much less risk of water entry.

If you plan to include a ceiling fan in your porch make sure you take that into consideration when deciding on the height of your ceiling. Consequently the article concludes that the concept of venting a flat roof is no longer safe and instead don 039 t vent the flat roof and install a smart vapor retarder inboard. Porches are often attached to the house. It depends on where the insulation is installed.

Porch roofs can also develop ice dam problems like the rest of the house s roof. Durable plastic and glass panels in your porch roof provide weather protection while also maximizing natural light. If you have an enclosed porch ceiling have vents to clear the roof cavity of moisture. The answer depends on the type of roof you have.

Proper roof ventilation is an important aspect of home construction. 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. How much ventilation does a flat roof need. A cold roof or hot roof.

Though porches are more open to the air they may still have ventilation problems under the roof. People have strong and differing opinions on whether roof venting affects shingle life. Problems with porch roofs can cause intrusion of water into the interior of the house.