<xsd:element name="Construction">
<xsd:annotation>
<xsd:documentation>A Construction is a combination of layers, such as a wall or a roof</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:choice minOccurs="0" maxOccurs="unbounded">
<xsd:element ref="Name" minOccurs="0"/>
<xsd:element ref="Description" minOccurs="0"/>
<xsd:element ref="U-value" minOccurs="0"/>
<xsd:element ref="Absorptance" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element ref="Roughness" minOccurs="0"/>
<xsd:element ref="Albedo" minOccurs="0"/>
<xsd:element ref="Reflectance" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element ref="Transmittance" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element ref="Emittance" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element ref="Cost" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element ref="PercentExisting" minOccurs="0"/>
<xsd:element ref="FireFace" minOccurs="0" maxOccurs="2"/>
<xsd:element ref="Laye |