Roof Turbine Vent Not Turning

2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.

Roof turbine vent not turning.

A turbine may fail to spin if the bearings become rusty or. Both turbins are only about 4 years old. Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in. The wind has to blow pretty hard for them to turn good.

The turbins do not turn much at all. If the vents are blocked by insulation boxes or. They sell foam channels you can staple to the underside of the room to allow for airflow while still allowing insulation to be installed. Every turbin in my neighborhood is turning and mine may slowely turn.

I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level. Climb up into your attic and look at the vents from the inside. It s not uncommon for insulation to have been jammed tight out to the edge of the roof. A single 12 inch diameter turbine vent could provide a complete change of air in the attic space every 52 minutes if the outside breeze was just 5 mph.

This is not a good idea. Normally the force of even slight breezes will cause the turbine vent to spin. If there is not enough soffit air coming in then the vents may create a partial vacuum in the attic space. My attic turbines are not turning step 1.

The one thing i ll mention is that turbine vents need to be installed perfectly level. As it spins the air blown from the vent is strong enough to blow rain away from the openings between the fins. This is a bad thing because it blocks the air flow. The 14 inch diameter unit could provide a complete air change in the attic every 14 minutes at 15 mph.

To relieve this pressure the vacuum may pull air from the inside of your home. I ve never been a huge fan of turbine vents because i have it in my head that they may end up causing some of the same problems that powered roof vents do but the fine folks at complete building solutions swear by em and i trust those guys so i won t complain about turbine vents. Do i have a low pressure system. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.

When they re not installed level they don t turn. Imagine what happens if you install two or three of these simplistic turbine vents on the. Examine the turbine from the exterior from the roof. I have sophits and gabel vents.

Also barely using my finger of course they spin freely no noise etc.