Adding Attic Ventilation

Insufficient ventilation can lead to moisture problems during the winter and decreased.

Adding attic ventilation.

More attic ventilation is good. About attic ventilation natural attic ventilation. The ice traps water behind it allowing the water to seep back under the shingles and leak through the roof. See the benefits of attic ventilation a new roof is more than just shingles.

Here are some of the myths and the facts you need to know about attic ventilation. The result is a cooler attic space with plenty of air exchange. Rarely will you find a building practice that works everywhere. Photos 1 6 show how it s done.

The downside of attic ventilation fans. Intake vents located at the lowest part of the roof under the eaves allow cool. One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home.

As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the rest of the home it helps prevent moisture buildup in your attic which during colder months can help prevent condensation issues that can affect the materials in the attic space especially insulation. Increased ventilation will make the entire roof cold and reduce or eliminate ice dams. Add a dab of cement to secure the shingles to the attic vent cover base. Good insulation reduces fan effectiveness.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. However the utility of attic ventilation fans is actually quite a controversial topic. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below.

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. Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic ventilation for your home. These ice dams form when warm attic air melts the snow on the roof and the water refreezes along the colder edge of the roof.