Construction Element

A Construction is a combination of layers, such as a wall or a roof.

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>