Roof Whirlybird Leaking

My home has three whirlybird turbine vents on the roof.

Roof whirlybird leaking.

However when there is rain and no wind water can enter the attic and land on the insulation since the blades are not moving. Twista whirlybirds are 100 waterproof. Do whirlybird vents leak. Sometimes the water shows up at a ceiling spot distant from the leak.

If your turbine vent is in good condition turns properly and has no missing fins the leak may be occurring around the base of the vent. A closed attic space is needed to force the whirly bird to draw air through the vents. Push the shingle or plywood into the tar and trowel more roofing tar around the edges of the patch. In the event the turbine becomes damaged the whole vent will require replacing.

Tens of thousands of property owners throughout australia can provide testimony that their roof ventilator does not leak during even the most intense rainstorm. Often water runs to openings in the vapor barrier such as at ceiling light fixtures. The spinning capacity of the whirlybird will decrease if a foreign object finds its way through the vents and into the turbines. Normally when there is wind and rain no water will enter the attic space due to the blades moving around.

When properly installed a whirlybird has a completely waterproof seal that ensures that no rain can leak through the membrane. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic. Most vents have an integrated base flashing typically made. Otherwise the whirly bird will just draw air through the gaps in the roof tiles locally and not produce much cross ventilation.

The most popular whirlybird product that we install and in requested by customers is the ausralian made ampelite spinaway whirlybird. Given the position of the whirlybird on top of the roof removing foreign objects is no mean feat. Trowel the roofing tar into the leak on the underside of the roof deck using a putty knife. So how effective a whirly bird will be for your roof depends on what sort of roof you have.