So if your attic is 25 by 15 you ll need 2 5 feet of vent space.
Is venting an attic important to do.
You would think that venting an attic would be counterintuitive in the winter or cold months.
While heat migrates in the summer because your attic is acting as a giant pressure cooker in the winter the attic space is colder allowing more room for the heat to rise and bring all that warm cozy.
First it allows cool fresh air to enter into the attic.
As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
Then divide the total area by 150 to find the total amount of vent space needed for your attic.
You re probably aware that most attics and roofs are vented.
It is important that air movement occurs and is not impeded by any framing members of the.
Areas with hot summers and cold winters can suffer the effects of both.
The vents keep the attic dry.
Maybe you ve seen a fan in the side of your attic under the eaves or maybe you re aware of the ridge cap at the peak of your roof.
Heat and moisture buildup in an attic cause predictable but different problems in hot and cold climates.
Do not use mechanical means electric attic fans.
Why proper roof ventilation is important.
Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.
A balanced attic ventilation system that consists of intake at the eaves soffits or fascias of the roof and exhaust at or near your roof ridge serves two important functions.
To determine the area multiply the length times the width in feet.
To choose the proper ventilation system for your attic you ll first need to know the total area of your attic.
It keeps the attic cooler and reduces the amount of energy you need to devote to air conditioning.
In summer attic ventilation does just the opposite.
Roof vents and attic ventilation.
Attic ventilation to do list in addition to the attic ventilation solutions above there are more steps you can take to prevent moisture issues in your attic and help maintain proper attic ventilation throughout the winter.
Why adequate roof ventilation is important.
There s one more benefit that is probably more important than either of these.
Proper ventilation in your attic helps address excess heat and moisture that can otherwise wreak havoc on your home.