Are Attic Vents Necessary

However the utility of attic ventilation fans is actually quite a controversial topic.

Are attic vents necessary.

If you re building a house with an unconditioned vented attic the necessary attic ventilation details are fairly. Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed. Ventilation can be accomplished using various products and techniques. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.

Intake vents located at the lowest part of the roof under the eaves allow cool. Calculate or enter the square footage of the attic or area to be vented. It allows air to move out of the attic naturally. More than leaks these seams can cause blowouts during a hurricane or allow sparks from a wildfire to enter your home and set it ablaze.

Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. The shape size and location of roof ridge vents make it impossible for rodents to access your house. The downside of attic ventilation fans. See the benefits of attic ventilation a new roof is more than just shingles.

Good insulation reduces fan effectiveness. Editorial adviser mike guertin answers this question regarding adequate roof venting. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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.

You receive the ventilation necessary for the home without creating a higher risk of damage.