Locate the turbine vent.
How to replace a roof turbine.
Lift the existing turbine away from the roof exposing the vent hole into the attic.
Measure the vent hole to determine if it s 12 inches or 14 inches in.
Picture above shows both roof vents a rotary turbine vent on the left and an aura gravity ventilator on the right with curb mount flanges a roof turbine can be made of galvanized steel that rusts as shown above.
Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.
Find the primary pivot points on each blade and the center pinion.
Insert a small wooden dowel to keep the turbine from spinning if it happens to be windy.
It was very annoying.
Inspect your turbine vent and make sure the top spinning portion is securely anchored to the standpipe using sheet metal screws.
Our turbine roof vents whirlybirds were really noisy and had some rattling that was causing some vibration in the house.
Although more vent is generally better replacing a turbine vent with a standard flat vent is acceptable as long the vent is big enough for the square footage of the attic space.
Here s how i did it.
Lift the shingles covering the flashing of the existing turbine base to expose the mounting nail heads.
Saturate the area on and around each point with the silicone lubricant.
How to replace a roof turbine 1.