How to Fit Marley Universal Eaves Ventilation Systems

Marley Eternit universal eaves ventilation systems are designed for use on roof pitches between 12.5° to 55°, providing 10mm or 25mm continuous ventilation at low level. Buy Marley HipFast at Roofinglines bit.ly/2cwViog.
The 25mm system can also be used to ventilate the batten cavity where required. Universal eaves vent systems are compatible with all Marley roof tiles & slates, as well as other manufacturers'.

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How is the miter water tight