IfcMaterial
Materials
Token category anchored to the IFC 4.3 IfcMaterial entity backbone.
Designers and BIM operators consume these tokens when authoring elements
in the Materials family for Woodfine projects.
IFCIfcMaterialcategoryMaterialscode overlays0 registered
Category bundle
The full token bundle for the Materials category, in DTCG format. Consume directly
via GET /tokens.json for the workspace-wide bundle, or filter by
category programmatically.
Show DTCG JSON bundle
{
"$description": "BIM MATERIALS token category — anchored to IFC 4.3 IfcMaterial + bSDD URI references. Pset_Material* property sets.",
"$schema": "https://design-tokens.github.io/community-group/format/",
"bim": {
"materials": {
"material": {
"$type": "bim.entity",
"$value": {
"description": "Single-component material. References bSDD URI for canonical classification (Uniclass Pm, OmniClass material classes, MasterFormat).",
"ifc_anchor": "https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcMaterial.htm",
"ifc_class": "IfcMaterial"
}
},
"material_constituent_set": {
"$type": "bim.entity",
"$value": {
"description": "IFC 4 alternative to LayerSet for non-stacked composite materials (e.g., reinforced concrete = concrete + rebar).",
"ifc_class": "IfcMaterialConstituentSet"
}
},
"material_layer": {
"$type": "bim.entity",
"$value": {
"description": "Single layer in a multi-layer wall / slab / roof assembly. Carries thickness + LayerSetName.",
"ifc_class": "IfcMaterialLayer"
}
},
"material_layer_set": {
"$type": "bim.entity",
"$value": {
"description": "Ordered set of material layers comprising an element (e.g., wall: gypsum + insulation + brick).",
"ifc_class": "IfcMaterialLayerSet"
}
}
},
"psets": {
"Pset_MaterialCommon": {
"$type": "bim.pset",
"$value": {
"MassDensity": "IfcMassDensityMeasure",
"MolecularWeight": "IfcMassMeasure",
"Porosity": "IfcNormalisedRatioMeasure"
}
},
"Pset_MaterialMechanical": {
"$type": "bim.pset",
"$value": {
"DynamicViscosity": "IfcDynamicViscosityMeasure",
"PoissonRatio": "IfcPositiveRatioMeasure",
"ShearModulus": "IfcModulusOfElasticityMeasure",
"ThermalExpansionCoefficient": "IfcThermalExpansionCoefficientMeasure",
"YoungModulus": "IfcModulusOfElasticityMeasure"
}
},
"Pset_MaterialThermal": {
"$description": "Thermal property set — relevant to energy performance and ASHRAE / Passivhaus / NZEB workflows.",
"$type": "bim.pset",
"$value": {
"SpecificHeatCapacity": "IfcSpecificHeatCapacityMeasure",
"ThermalConductivity": "IfcThermalConductivityMeasure",
"ThermalTransmittance": "IfcThermalTransmittanceMeasure"
}
}
}
}
}