Flat Porch Roof Ventilation

Any type of roof from tpo to epdm can be either hot or cold.

Flat porch roof ventilation.

Proper roof ventilation is an important aspect of home construction. Problems with porch roofs can cause intrusion of water into the interior of the house. Porch roof ventilation options. A cold roof or hot roof.

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. It depends on where the insulation is installed. Porches are often attached to the house.

The answer depends on the type of roof you have. Though porches are more open to the air they may still have ventilation problems under the roof. 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. The joint where the top of the porch roof meets the wall needs to be flashed well and most of the vent details for that look to me like they might leak water under some conditions of rain and wind.

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. Porch roofs can also develop ice dam problems like the rest of the house s roof. 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.

Hot roofs have the roof deck then insulation then the roofing material. Last year i replaced a flat porch roof with a 6 12 pitch. People have strong and differing opinions on whether roof venting affects shingle life.