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The Ceilings of a Zone are distinct from the Floors of the Zones Zone, even if they share similar geometry & many features.

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Ceilings are selected in the Visual View if the Floor / Ceiling Visual Layer is currently set to Ceiling on the Visual View’s Top Toolbar. For further information on the Floor / Ceiling Visual Layer see: Visual View Top Toolbar

Ceilings can also be selected within the Data-Grid within the Ceiling tab.

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Ceilings cannot be Deleted, instead they must be Merged back together with any Split Ceilings of the Zone. Ceilings are merged by using the Merge Drawing Mode which is explained in further detail in Split & Merge Drawing Mode

Splitting Ceilings

Ceilings can be Split into separate Ceilings within a Zone through various means.

Firstly they can be Split manually by the user using the Split Drawing Mode feature (Split & Merge Drawing Mode). This is typically performed when the Ceilings across a zone have differing properties such as Assembly or Construction, or Insulation or External Colour or Adjacency.

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Property

Description

Edited Within

Assembly

Hero has a variety of Ceilings Assemblies that can be used, and these are visible within the Construction column of the Ceiling Data-Grid. The current Assemblies include assemblies of the following Types:

  • Flat/Skillion Types: No Significant Roofspace Air Zone is created between the Internal Ceiling & the External Roof.

  • Attic Types: Ceilings where a sizeable Roofspace Air Zone would be created between the Internal Ceiling & the External such that it deserves to be Simulated

  • Slab Types: Ceilings with a Concrete Roof of various sizes.

  • Ceiling Types: Used for Internal/Neighbouring (both Actual & Manual Neighbouring Adjacency Types) to Simulate a Ceiling where there is only a Plasterboard Ceiling between the Ceiling & the Neighbouring Adjacency Above. See below Internal Floor/Ceiling Construction section.

Note

Changing the Assembly in the Data-Grid may change the Adjacency type of the Ceiling if required such as when changing from a Flat Roof Assembly which has a External Adjacency to a Roofspace Assembly which changes the adjacency to Roofspace adjacency.

Info

Internal Floor/Ceiling Constructions

When a Ceiling has an Adjacent Floor above it, such as on a two-story dwelling, or between two apartment dwellings, the full material buildup for the Assembly is determined by both the Floor & the Ceiling’s properties.

An Internal Ceiling can only have a plasterboard ceiling or exposed ceiling Assembly applied to it; and the internal Ceiling will not be able to have Insulation applied to it in the Data-Grid. If this internal Floor/Ceiling is to be insulated, the insulation is to be applied to the Floor above.

The complete material build-up that will be Simulated is the Floor Covering + the Floor Assembly + any Floor Insulation + the Ceiling Assembly below.

Construction Column

Type

In addition to the Construction or Assembly of the Ceiling, the Ceiling Data-Grid also contains a Type column that is used for reference & information but that if changed may change both the Assembly and Adjacency Type to the relevant defaults for that Type as required. See above Assembly row for details.

Type Column

Ceiling Insulation

A Ceiling has two Insulation Options, Ceiling & Roof, that are positioned accordingly within the Assembly. This feature was implemented to enable flexibility & rapid design changes to both common Insulation locations within the Hero interface.

The Ceiling Insulation Option is the Insulation Material(s):

  • below the Roofspace Air Zone for Attic Assemblies,

  • below the Slab for Slab Type Assemblies

  • the lower section of Flat Assemblies

Ceiling Insulation Column

Roof Insulation

The Roof Insulation of the Ceiling. See above Ceiling Insulation section for details.

The Roof Insulation is the Insulation Material(s):

  • above the Roofspace Air Zone for Attic Type Assemblies

  • above the Slab for Slab Type Assemblies

  • the upper section of Flat Assemblies

Roof Insulation Column

Ceiling Pitch

For raked or sloped ceilings within a Zone, the Pitch can be entered in degrees.

This is the Internal Pitch of the Internal Ceiling Layer of the Ceiling, and not the pitch of the External Roof. The Pitch of the External Roof of a Ceiling is set by Hero automatically and cannot currently be adjusted.

The Pitched Area of a Ceiling is shown in the Data-Grid Area column in square metres and represents gross area not accounting for any Skylight area.

The Area is the Pitched Area, in that any Pitch entered in the Pitch column will automatically adjust the 2D Area of the Ceiling to account for the increase in area by any slope or raked Ceiling.

E.g. In a Zone with 100m2 floor area, if the Ceiling Pitch was entered in the Ceiling Pitch column as 30 degrees, then the Area automatically adjusts to 115.5m2

Pitch Column

Area (Pitched Area)

The Pitched Area (see above) of the Ceiling in Square Metres. Can only be adjusted as the Ceiling is moved & adjusted within the Visual View.

Visual View

External Colour

The External Colour (and it’s associated Solar Absorptance) of a Ceiling can be selected within the External Colour column of the Ceiling Data-Grid.

Colour Column

Adjacency

The Adjacency Type of the Ceiling (see below for full details)

Adjacency Column

Roofspace Ventilation

Ceilings with a Roofspace Adjacency can toggle the Ventilation Rate of that Roofspace Zone through the Ventilation column of the Ceiling Data-Grid.

Roofpsace Roofspace Zones & Ventilation Rates are described in further detail in the Zones section.

Roofspace Ventilation Column

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