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Holes vs Void Zones - When to UseHoles are used to connect two different Zones through a ventilation opening (typically via a Stairwell or similar). A Void Zone Type (see Zones) is used to model the upper portion of a single Zone that projects over two Levels. |
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Holes are created using the Hole Drawing mode (Skylight & Hole Drawing Mode).
Holes are created on the parent Floor that they penetrate (i.e. not on Ceilings), and must have an Adjacent Zone below them, otherwise an Alert message will be raised and Simulation will not be able to proceed. An Alert will also be raised if a Hole is entered on a Floor with a Zone from a different Dwelling below it, Holes can only be modelled between Zones of the same Dwelling.
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