Roof Venting Opinions

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.

Roof venting opinions.

There are many opinions about the benefits of and problems with roof venting but it all comes down to proven rules of building science. Jan 6 2019 by brandon miller. The reason this does not create an issue is that these houses aren t as air tight as the modern structures are which means they have adequate air movement despite the lack of any vents. The intent of roof venting varies depending on climate but it is the same if you re venting the entire attic or if you re venting only the roof deck.

Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all. 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. Research on the topic has shown that venting will cool shingles by a bit but no one really knows whether it will enhance the shingle service life by how much what the service life really is or how it is quantified. You see how important it is to ventilate your roof properly.

In a cold climate the primary purpose of ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent any moisture that moves from the conditioned. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. Read the discussion below to see what builders and homeowners are typically dealing with but then read a crash course in roof venting to find some proven roof venting solutions.

Check them out and see what would work with your roof. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Gable vents may circulate air through only a small percentage of your attic. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Roof box vents and continuous ridge vents are separated by a few differences and deciding which one to put on your roof depends on which better fits the type and situational roof you have. If you own an older home then there is a good chance that there isn t any roof ventilation. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. Static roof line vents are effective for ventilation but generally aren t recommended due to issues with leaks.

These are a very common style of vent and are known by several different names. People have strong and differing opinions on whether roof venting affects shingle life. Best roof ventilation options. Here are some of the best roof ventilation options for you.