An example of a vent penetrating the roof surface. The penetration is sealed so no water can leak into the house. These important details are often invisible to most occupants of buildings.  Photo 7 of 9 in Dwell Home Venice: Part 14

Dwell Home Venice: Part 14

7 of 9

An example of a vent penetrating the roof surface. The penetration is sealed so no water can leak into the house. These important details are often invisible to most occupants of buildings.