Read this article to learn why.
Soffit vents with no attic.
He explains that he has a ridge vent but no soffit ventilation.
For an attic without soffit vents you may have the option to use gable vents instead.
For proper ventilation it isn t enough for air to simply get into your attic.
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.
The design of many older houses omits eaves which maximizes the amount of sunlight.
Problems when roof has no overhang.
A ridge vent without a soffit vent just doesn t work.
Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge.
They call this a venting drip edge.
Venting solutions for roofs with no overhang or soffit.
If you have an attic with no soffit vents but 2 unobstructed gable vents then you will probably be ok on ventilation.
The venting drip edge seems to be the easiest and most common way to go.
Unvented roofs also.
An unvented roof is often the only viable option when roof framing is complicated such as when there are hips valleys dormers or skylights that would prevent eave to ridge ventilation.
In this q a a reader is experiencing a serious condensation problem after a roof remodel.
Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.
Typically you would have a gable vent on each end of the attic.
One great alternative to a soffit ventilation system is to install an intake vent right at the lower edge of the roof.