A Construction is a combination of layers, such as a wall or a roof. If the “Export Defaults” under Energy Settings in Project Information is not checked, this element is not exported.
Supported Attributes:
| Attribute | Description |
|---|---|
| Id | Unique identifier for the construction. Normally prefixed with con-. |
Supported Children:
| Element | Description |
|---|---|
| LayerId | The layerIdRef attribute in this element contains a reference to the layers that comprise this construction. The constructions in Revit normally consist of a single layer in order to get around the limitation in DOE2 (related to very light or heavy materials). |
| U-value | Overall conductance. |
Sample:
<Construction id="con-w10">
<Name>R0 8" CMU Wall</Name>
<Description>ASHRAE 90.1 compliant R0 concrete or block wall</Description>
<Roughness value="Rough" />
<Cost costType="FirstCost">93.538291</Cost>
<LayerId layerIdRef="lay-w10" />
<U-value unit="WPerSquareMeterK">6.452772</U-value>
</Construction>