2 Air Vents On The Roof

The vent stack is the pipe leading to the main roof vent.

2 air vents on the roof.

Without vents water and waste could not move from place to place in an efficient manner. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. If there are more than one they are centered between the rafters and installed at regular intervals in a horizontal line along the roof. It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water runs through the plumbing vent pipe.

They also regulate the air pressure in your plumbing system. The plumbing vent pipe is a vertical pipe that attaches to the drain line and runs through the roof of a home. So much information has been devoted to the subject of roof venting that it s easy to become confused and to lose focus. A vented attic where insulation is placed on an air sealed attic floor is one of the most underappreciated building assemblies that we have in the history of building science.

The building codes and building science for. Static vents come in a variety of different styles and sizes but are all non motorized vents installed near the roof ridge to allow for unobstructed flow of air from the attic. So i ll start by saying something that might sound controversial but really isn t. It is a vertical pipe attached to a drain line and runs through the roof of your home.

The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.