Venting A Low Slope Shed Roof

The universal design looks great on a shingle roof.

Venting a low slope shed roof.

Also the sheathing temperatures even on fully vented cathedral ceilings are low toward the eaves but quite high toward the ridge or high point of the shed roof. Flat and low slope roof designs to avoid moisture condensation problems flat roofs call up a whole new breed of building moisture problems how to avoid moisture traps under flat roofs avoid mold rot caused by moisture trapped under un vented flat roofs questions answers about the cause cure prevention of moisture problems in flat roofs and similarly hard to ventilate structures. Hip and ridge shingles starter shingles low slope products ice and water barrier synthetic underlayment intake ventilation exhaust ventilation titanium and rhinoroof. The automatic roof vent opener is usually located near the ridge peak and operates based on the temperature within the shed.

Choose one of the following products to meet the recommended exhaust nfva of 528 square inches. For over generations multi residential flats buildings were constructed in north american with low slope roofs. The slope of your roof is vital as a moisture barrier among other things and having a roof that is too flat can potentially cause your shed to cave in. Most building codes allow for unvented roof construction.

The roof system that i prefer for this application is a compact roof assembly which is standard construction for low slope roofs throughout north america. The universal dormer vent is a low profile off ridge roof vent that is designed for a pitched roof of 3 12 slope or greater. Because of limited space between the roof sheathing and ceiling joists a low slope shed roof can be difficult to insulate properly. In this energy smart homes article senior editor martin holladay explains how to insulate a vented low slope shed roof using a combination of intake vents and cupolas.

First you do not have to create a vented shed roof. The universal dormer vent can be used as an air intake vent or as an air exhaust vent depending on where you install it on the roof. If you live in an area prone to high winds or gusts use safety catches or chains to prevent damage to the vent and opener. The roof design included an interstial space of 1 5 to 2 meters between the ceiling and roof deck.

However creating a vented roof gives a thermal separation between the roof and the conditioned heated and cooled spaces of the house so the sun baking on your metal roof won t over stress your air conditioning in the summer and snow will melt off your roof slower in the.