I have seen ventilated flat roofs but they are usually used in conjunction with attic spaces and you mentioned finished vaulted ceilings in your post.
Why is ventilation of a low slope roof doubled.
2017 06 06 yolanda ferrandi said.
Although surprisingly there was only one leak in the old roof.
Reshingling a low slope roof and a few things not to do this article covers reshingling a low sloped roof and a few things you should avoid when shingling such a roof.
For over generations multi residential flats buildings were constructed in north american with low slope roofs.
Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof rafters shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain or snow.
This attic space was typically vented via static air vents.
Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
We have a low sloped roof over our carolina room which has a raised vent at the top of the roof and ther roof slopes down from the vent at both sides of the vent.
The roof design included an interstial space of 1 5 to 2 meters between the ceiling and roof deck.
Continuous or individual soffits.
Visiting my sister marlene in thunder bay this summer 2012 there was as usual a project like every other time.
Prevent or cure wind blown rain leaks at ridge vents on roofs question.
Secondly you really have two different roof types working here low slope or flat roofs and pitched roofs.
How to vent a roof in high wind areas while stopping windblown rain leaks.