Whirlybird supply and installation, colourbond roof, 2 storey

I am looking at having whirlybirds and appropriate vents installed on our colourbond roof, a 2 storey townhouse.

Supply and install 2 whirly bords
supply and install 2 whirly bords

Install two roof ventilators
the house is one level with concrete tiled roof. i have two roof ventilators...

Subfloor ventilation
Installing sub floor ventilation fans

Sub floor ventiltation
There is water ingress into my Unit from I'm appropriate subfloor ventiltation