Normal vented air likes to enter the attic lower down near the bottom third of the attic and as it passes through it will exit higher up near the top third of the attic space.
How to ventilate attic soffits.
If you see dampness or frost you need better roof ventilation and some attic vents.
Vents come in various styles.
Typically you would have a gable vent on each end of the attic.
In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents.
The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.
The soffit vents allow convective air movement from the soffits of the residence to the ridge vent.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.
An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of.
Air flows in through the soffit vents and out through the roof vents.
For an attic without soffit vents you may have the option to use gable vents instead.
The main idea of the ridge vent is to act together with soffit venting to properly ventilate the attic.