Throughout the balance of this digest the terms attic and roof will and can be used interchangeably.
Purpose of attic vents.
Intake vents located at the lowest part of the roof under the eaves allow cool.
In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof.
It is a great ventilation system for your attic or roof on a budget.
Take for example ridge vents.
The purpose of these vents is to keep air circulating in the attic which helps control ice dams in winter prevents overheating in summer and controls moisture all.
Installation costs roof turbines are usually less expensive to install because they only require the removal of a small section of shingles and an appropriately sized hole to be drill through the roof.
The vent stack is the pipe leading to the main roof vent.
Gable end vents is a roof ventilation system that is placed on either side of a gable roof that assists in cooling down your attic or roof.
It s essential for reducing moisture and preventing excessive heat.
The intake vents work with ridge vents to allow cool air to enter the attic space forcing warm air to exit through the ridge vents.
These vents allow for a cross breeze through your attic blowing out the warm air and replacing it with cooler less humid air.
Attic ventilation in the winter.
A ridge vent installed along a roof s peak will move hot and humid air up and out of the attic.
In theory these are excellent tools for circulating air in the attic and keeping the attic temperature low.
You would think that venting an attic would be counterintuitive in the winter or cold months.
It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Its drainage and vent functions are actually two systems.
Located at the edges of the roof these intake vents can be installed at the eaves under the soffit at the drip edge or under the shingles at the roof s edge.
The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.
However in pursuit of attic ventilation some people choose to install attic power ventilators.
I have roof vents so i have roof ventilation.
Now that we ve reviewed how ventilation works.
The same goes for attic ventilation.
Your home s plumbing system is designed to efficiently remove water and waste.
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.