Attic s need continuous ventilation at the eave edge to draw fresh air in and remove trapped hot moist and toxic air out through the roof exhaust vents.
Roof edge soffit vents.
There are several ways these can be installed to allow your roof to breathe.
Certainteed ridge vent combined with sufficient intake vents such as certainteed intake vent are the most efficient and effective systems you can install.
To accomplish a balanced ventilation system the intake must provide an nfa of 9 or greater on each side.
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Air vent 2 3 in.
It s a roof top installed shingle over intake vent designed based on roofing contractor feedback from our ask the expert seminars.
Rectangular white weather resistant aluminum soffit vent sold in a carton of 50 only model sv202wh 234 00 carton 234 00 carton standard delivery.
Air vent s the edge vent provides proper intake ventilation for homes with little or no overhang.
Exhaust vents like attic fans ridge vents are primarily placed at the very top of the roof or the highest pitch where hot air gathers.
The average ridge vent offers an 18 nfa per foot along the peak of the roof.
How soffit vents work.
The main purpose of these vents is to circulate the air inside of your roof so that moisture build up inside the home is reduced.
Soffit vents allow drafts of wind to push air up through your attic to the roofing vents on top.
It can be used to supplement existing soffit or undereave vents as well.