Are Attic Vents Necessary

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

Are attic vents necessary.

The downside of attic ventilation fans. Ventilation can be accomplished using various products and techniques. However the utility of attic ventilation fans is actually quite a controversial topic. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

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. See the benefits of attic ventilation a new roof is more than just shingles. 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. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

Editorial adviser mike guertin answers this question regarding adequate roof venting. Good insulation reduces fan effectiveness. The shape size and location of roof ridge vents make it impossible for rodents to access your house. Attic ventilation strategies except in some specific cases building codes and shingle warranties require new roofs to be vented.

Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed. Some vents are necessary but you don t want to needlessly increase the number of roof penetrations. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. 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.

Calculate or enter the square footage of the attic or area to be vented.