If you don t see any attic vents on the roof or in the eaves you need to add some.
How to ventilate an attic.
Most building codes require a ratio of 1 150 ventilation space to attic floor space.
Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.
Soffit vents are intake vents located under the outside eaves of your home.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
You re probably familiar with the round ones that spin.
Here are four signs of an unventilated or under ventilated attic.
Intake vents which are located at the down slope edge of the roof aka eave s and allow fresh air into the attic.
Look at your eaves and roof.
These are not bad for ventilation.
For this kind of system you need soffit vents and ridge vents.
To properly ventilate an attic two types of vents are needed.
Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed.
Touch your ceiling on a warm sunny day.
These rely on the wind to keep it moving.
Ventilation can be accomplished using various products and techniques.
We call those whirlybirds or turbine ventilators.
When it moves it causes a draw in the attic space to help remove heat.
A hot ceiling tells you that the attic is acting like a solar oven.