Read about roof vents and why fan or turbine vents are not as efficient as ridge vents.
Turbine roof vents vs ridge vents.
Find out why fan vents don t work and how a ridge and soffit vent system is better for your roof and attic.
Rodents cant get in if you have enough intake soffit vents you can install ridge vents on all of your ridges for a maximum amount of ventilation 40 feet of ridge vents 10 wind turbines or 18 conventional roof vents.
A turbine has a series of vanes that spin as wind passes through them.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Turbine vent two of the most popular styles.
Turbine vents are those ice cream cone looking vents that turn in the wind using a series of vanes like a weather vane allowing warm moist air to escape at the top of your roof.
A ridge vent as the name indicates is located at the ridges where your roof peaks and runs along the top of those ridges.
Ridge vents advertise openings of 12 to 20 square inches per linear foot.
The roofer should cut 3 of roof decking off of each side of the ridge giving you 1 sf of ventilation every 2.
Good attic ventilation is important for preventing ice dams in the winter.
So let s take a look at the differences between the ridge vent vs.
A turbine vent does not require much space to install compared to the ridge ones hence less expensive.
Your ridge is plenty for 1400 sq ft.
Your roof just doesn t work well without them.
Attic must have 5 sq.
Unlike turbines this venting style does not have any moving parts.
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.
And is the perfect shape for a ridge vent.
Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.
A ridge vent is similar to a screen and allows heat to escape up and out of the attic.
Two types of attic ventilation vents compared turbine vents roof with turbine attic vent.
Continuous ridge vents are more effective because.
The design of your roof may also dictate which vent is best for you.
When it comes to durability ridge ventilation take the first place because turbine ventilation may get debris and malfunction or even rust causing inefficiency.
Anyway you would only be able to span your ridge vent shy of the total legth.
Your numbers were incorrect.
See which is better for your roof below or click here to connect with local roofers.
Converting 20 si 0 139 sf x 60 8 33 sf for the entire ridge.
Price semi con when doing a re roofing if you install 40 feet of ridge to 10 wind turbines the.