It is designed for attic spaces up to 2200 sq.
Power roof venting.
Of course you try to make the attic scuttle hole use air tight trim on your ceiling cans but it would be foolish to ignore the benefits of a reasonably powered attic fan working in connection with adequate soffit venting.
The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials.
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An important part of a healthy home and a complete roofing system is roof vents.
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Power roof vents.
In either case there needs to be a balance between intake and exhaust as well as adequate attic insulation.
It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.
Roof vents and power roof vents are made to work in conjunction with vented soffits so that outside air will replace superheated attic air during hot summer days.
On the other hand power vents are a better choice for hip roofs which often lack ridge line footage for venting and for homes in the northeast where fluctuations in winter temperatures can sometimes make passive venting impossible.