And the answer is you should block it off because it does interrupt that flow of air from the soffit under the sheathing and out the ridge.
Roof ridge vent vs gable vents.
Reliability and wind change.
Gable vents with no fans are only effective as long as the wind is working with the vent.
The ridge vent difference while a gable vent can be installed as a purely decorative measure ridge vents have a definitive purpose.
This air then flows up the roof deck and out the ridge vent.
Ridge vents one type of roof vent run along the ridge at the very top of the roof.
Keeping the roof cool in the summer and because the outside air is drier than inside air in the cold weather it keeps the roof dry.
Situated along the peak of a gable roof ridge vents are hidden by the shingles of the roof.
Ridge vents do not always provide the proper ventilation in some homes.
By having the gable vent you get some sort of turbulence up there that interrupts that flow.
A high pitched gable roof is best suited for gable vents because gable vents come in many sizes and some can be trimmed and modified for a proper fit.
These small vents provide a means for air to flow under the roof while also keeping rain from entering the attic space.
So if you can have a soffit vent and a ridge vent that s the best situation.
Warmer air rises up through the attic space and out through the roof vents.
The effect of ridge vents for the roof depends upon the energy efficient nature of the structure.
If you re not going to have a soffit vent frankly it really doesn t matter because you re not going to have the pattern that we would like you to have and you just have.
So investing in ridge vents means you ll have to invest in other types of roof vents.
You ll be able to move air throughout the attic without the use of fans or turbines when enough space is given to this vent design.
You would also have to cover up and close the gable vents because air would come in and go straight out the ridge.
When the wind is perpendicular to the gable the cooler outside air enters the gable vent and drops to the floor of the attic before rising to exit at the other end again leaving zones of dead air right.
Pros these types of vents are often mistaken for box vents however they do function in quite the same way.
Cons using ridge vents along with undereave venting is considered one of the most efficient systems you can choose.
In this back by popular demand article see the difference between roof box vents and continuous ridge vents.
Ridge vents will not provide enough ventilation.
Roof box vents and continuous ridge vents are separated by a few differences and deciding which one to put on your roof depends on which better fits the type and situational roof you have.
