Raining.
Each time when heavy rain with thunder and lashing winds strikes I worry about the water-tightness of the roof. Predictably the roof leaks again. With a LED head light strapped to my head I climbed up into the ceiling space via the ceiling inspection manhole to inspect the roof.
Where previously rain water would penetrate the porous plastering to run down the surface of the parapet wall to the ceiling and exit to the bedroom below this time the wall is dry as a bone, an indication that the last water-proof treatment applied to the parapet wall is working well.
Two wet patches in the ceiling board and also a wet patch at the bottom chord of the timber truss indicate that the rain water is leaking through the roof covering, either through gaps in the inter-locking tile arrangement or some tiles due to old age, wear and tear have become porous to water.
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