A roof is the structure to the top part of a building, it protects the building against the effects of weather.
Flat roof
A flat roof is a roof having no slope, or one with only a slight pitch so as to drain rainwater.
| IfcElementType | IfcRoof | =IfcExportAs |
|---|---|---|
| IfcPredefinedType | FLAT_ROOF | =IfcExportType |
| Suggested Filename: | Roof_Flat | |
| Suggested LOD (Design Model) | 300 | |
| Suggested Primary Discipline | Architectural; Structural |
Source
Property Categories
Classification(Select the classification you'd like to be included in the Excel export)
| Masterformat | |
|---|---|
| NatspecWorksection | |
| Omniclass Table 21 Elements | |
| Omniclass Table 22 Work Results | |
| Omniclass Table 23 Products | |
| Uniclass Elements | |
| Uniclass Products | |
| Uniclass Systems | |
| Uniformat |
| property | source | description | |
|---|---|---|---|
| Admin data | |||
| CreatedBy | NATSPEC BIM | The name of the person, organisation or library provider that created the object. | |
| CreatedByURL | NATSPEC BIM | URL hyperlink to the object creator’s website. | |
| ModifiedIssue | NATSPEC BIM | To record the last date of issue (version or revision) of the object within an object library. Add the date in the following format <yyyymmdd.no> where the ‘no’ suffix is equal to the number of times the object has been issued on that date. For example 20180316.01. | |
| Reference | PSet_RoofCommon (IFC4)PSet_RoofCommon (IFC2x3) | Reference ID for a specified type in a project (e.g. type 'A-1'). Also known as Construction type. Provide as an alternative to the name of the object type, if software does not support object types. | |
| Code compliance data | |||
| EgressRequirement | NATSPEC BIM | ||
| FireRating | NATSPEC BIMPSet_RoofCommon (IFC4)PSet_RoofCommon (IFC2x3) | Fire rating of object. Also known as the FRL (Fire Resistance Level) e.g. 60/60/60. | |
| Construction logistics data | |||
| ConstructionMethod | NATSPEC BIM | ||
| Status | PSet_RoofCommon (IFC4) | Status of the object, predominately used in renovation or retrofitting projects. Complete value with: NEW, EXISTING, DEMOLISH, TEMPORARY, OTHER, NOTKNOWN or UNSET | |
| Cost data | |||
| AdditionalTax | NATSPEC BIM | ||
| AssemblyCost | NATSPEC BIM | ||
| AssetAccountingType | Pset_Asset (IFC4)Pset_Asset (IFC2x3) | Asset type for accounting purposes. Complete value with: FIXED, NONFIXED, OTHER, NOTKNOWN or UNSET (PEnum_AssetAccountingType) | |
| AssetInsuranceType | Pset_Asset (IFC4)Pset_Asset (IFC2x3) | Type of insurance rating. Complete value with: PERSONAL, REAL, OTHER, NOTKNOWN or UNSET (PEnum_AssetInsuranceType) | |
| AssetTaxType | Pset_Asset (IFC4)Pset_Asset (IFC2x3) | Type of taxation group. Complete value with: CAPITALISED, EXPENDED, OTHER, NOTKNOWN or UNSET (PEnum_AssetTaxType) | |
| ConceptualCost | NATSPEC BIM | ||
| CostOverRun | NATSPEC BIM | ||
| FutureCostAssumptions | NATSPEC BIM | ||
| InstallationCost | NATSPEC BIM | ||
| InstalledCost | NATSPEC BIM | ||
| PurchaseInformation | NATSPEC BIM | ||
| RecordedActualCost | NATSPEC BIM | ||
| TotalOwnershipCost | NATSPEC BIM | ||
| Facilities management data | |||
| AccessibilityPerformance | COBie_ElementTypeCOBie_Specification | Accessibility issue(s) that product satisfies. | |
| AcquisitionDate | Pset_ManufacturerOccurrence (IFC4)Pset_ManufacturerOccurrence (IFC2x3) | Date the item was purchased (Format: YYYY-MM-DD). | |
| AssessmentCondition | NATSPEC BIMPset_Condition (IFC4) | Overall condition rating based on assessment. Rating scale to be agreed prior (e.g. Good, OK , Poor). | |
| AssessmentDate | Pset_Condition (IFC4) | Date of overall condition assessment (Format: YYYY-MM-DD). | |
| AssessmentDescription | Pset_Condition (IFC4) | Qualitative description of the condition. | |
| AssetIdentifier | COBie_Component | Alternative identifier for specific component, used as defined by contract. | |
| AssetType | COBie_AssetCOBie_ElementType | Complete value with: 'Fixed' or 'Movable' | |
| Category | COBie | Classification code. | |
| CodePerformance | COBie_ElementTypeCOBie_Specification | Code compliance requirement(s) that product satisfies. | |
| ComponentID | NATSPEC BIM | ||
| Constituents | COBie_ElementTypeCOBie_Specification | Details of various parts of the object. | |
| Description | COBie | Concise description of the object. | |
| DurationUnit | COBie | Units used to record expected life duration. Typically ‘year’. | |
| Exclusions | Pset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Items, conditions or actions that may be excluded from the warranty or that may cause the warranty to become void. | |
| ExpectedLife | NATSPEC BIMCOBie | Expected serviceable life of object. | |
| Features | COBie_ElementTypeCOBie_Specification | Primary features or important characteristics of the product. | |
| Grade | COBie_ElementTypeCOBie_Specification | Standard grading(s) to which the product corresponds. | |
| InstallationDate | NATSPEC BIMCOBie_Component | Format: YYYY-MM-DD. | |
| IsExtendedWarranty | Pset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Complete value with: TRUE or FALSE (IfcBoolean) | |
| ModelNumber | COBie | Model number or designator of the product model (or product line) as assigned by the manufacturer. | |
| Name | COBie | Unique human readable name for object type. | |
| ReplacementCost | NATSPEC BIMCOBie_EconomicImpactValuesCOBie_ElementType | Cost to replace product. | |
| Shape | COBie_ElementTypeCOBie_Specification | Characteristic shape of the object. e.g. Square. | |
| SustainabilityPerformance | COBie_ElementTypeCOBie_Specification | Sustainability issue(s) that product satisfies. | |
| TagNumber | COBie_Component | Tag number for product or equipment at installation. | |
| WarrantyContent | NATSPEC BIMPset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Description of what is included in warranty. | |
| WarrantyDescription | COBie_Warranty | Concise description of warranty content and any items, conditions or actions that are excluded from warranty or that will cause the warranty to become void. | |
| WarrantyDurationLabor | COBie_Warranty | Duration of labour warranty. | |
| WarrantyDurationParts | COBie_Warranty | Duration of parts warranty. | |
| WarrantyDurationUnit | COBie | Units used to record warranty durations. Typically ‘year’. | |
| WarrantyEndDate | NATSPEC BIMPset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Format: YYYY-MM-DD. | |
| WarrantyGuarantorLabor | COBie_Warranty | email address for organisation responsible for labour warranty. | |
| WarrantyGuarantorParts | COBie_Warranty | email address for organisation responsible for parts warranty. | |
| WarrantyIdentifier | Pset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Identifier assigned to warranty. | |
| WarrantyPeriod | Pset_Warranty (IFC4)Pset_Warranty (IFC2x3) | ||
| WarrantyStartDate | NATSPEC BIMCOBie_ComponentPset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Format: YYYY-MM-DD. | |
| Geometric data | |||
| GrossArea | Qto_RoofBaseQuantities (IFC4)NATSPEC BIM | ||
| GrossVolume | NATSPEC BIM | ||
| Height | NATSPEC BIM | ||
| Length | NATSPEC BIM | ||
| NetArea | Qto_RoofBaseQuantities (IFC4) | Takes all openings into account. | |
| NominalHeight | COBie_ElementTypeCOBie_Specification | Typically the vertical characteristic dimension of the object. | |
| NominalLength | COBie_ElementTypeCOBie_Specification | Typically the primary or larger of the two perpendicular horizontal dimensions of the object. | |
| NominalWidth | COBie_ElementTypeCOBie_Specification | Typically the secondary or smaller of the two perpendicular horizontal dimensions of the object. | |
| PitchAngle | NATSPEC BIM | Angle of item to the horizontal | |
| ProjectedArea | Qto_RoofBaseQuantities (IFC4)PSet_RoofCommon (IFC2x3) | Total gross area of outer surfaces of roof, projected to ground. The sum of all projected roof gross areas. Openings and cut-outs are not taken into account. | |
| Size | COBie_ElementTypeCOBie_Specification | ||
| TotalArea | PSet_RoofCommon (IFC2x3) | ||
| TotalSurfaceArea | IfcRoof (IFC2x3) | ||
| Width | NATSPEC BIM | ||
| Manufacturer data | |||
| Accessories | NATSPEC BIM | Details of available accessories. | |
| ArticleNumber | Pset_ManufacturerTypeInformation (IFC4)Pset_ManufacturerTypeInformation (IFC2x3) | Reference applied to product, according to scheme for article number definition defined by manufacturer. Often used as purchasing number. | |
| AssemblyPlace | NATSPEC BIMPset_ManufacturerTypeInformation (IFC4) | Defines where assembly is to take place. Complete value with: SITE, FACTORY or NOTDEFINED (IfcAssemblyPlaceEnum) | |
| BarCode | COBiePset_ManufacturerOccurrence (IFC4)Pset_ManufacturerOccurrence (IFC2x3) | Bar code given to occurrence of the product. | |
| BatchReference | Pset_ManufacturerOccurrence (IFC4)Pset_ManufacturerOccurrence (IFC2x3) | Identity of the batch from which the occurrence of the product is taken. | |
| Defects | NATSPEC BIM | To record any defects found. | |
| GlobalTradeItemNumber | Pset_ManufacturerTypeInformation (IFC4) | GTIN is an identifier for trade items developed by GS1 (www.gs1.org). | |
| Manufacturer | COBieNATSPEC BIMPset_ManufacturerTypeInformation (IFC4)Pset_ManufacturerTypeInformation (IFC2x3) | Name of the manufacturer (or assembler). | |
| ManufacturerURL | NATSPEC BIM | URL hyperlink to the manufacturer’s website. | |
| ModelLabel | Pset_ManufacturerTypeInformation (IFC4) | The descriptive model name of the product model (or product line) as assigned by the manufacturer of the manufactured item. | |
| ModelLabel | Pset_ManufacturerTypeInformation (IFC2x3) | The model number and/or unit designator assigned by the manufacturer of the manufactured item. | |
| ModelReference | Pset_ManufacturerTypeInformation (IFC4) | The model number or designator of the product model (or product line) as assigned by the manufacturer of the manufactured item. | |
| ModelReference | Pset_ManufacturerTypeInformation (IFC2x3) | The name of the manufactured item as used by the manufacturer. | |
| OrderNumber | NATSPEC BIM | ||
| PointOfContact | Pset_Warranty (IFC4)Pset_Warranty (IFC2x3) | Organization that should be contacted for action under the terms of the warranty. | |
| ProductionYear | Pset_ManufacturerTypeInformation (IFC4)Pset_ManufacturerTypeInformation (IFC2x3) | ||
| SerialNumber | COBiePset_ManufacturerOccurrence (IFC4)Pset_ManufacturerOccurrence (IFC2x3) | Serial number assigned to an occurrence of a product. | |
| Performance data | |||
| AcousticRating | NATSPEC BIMPSet_RoofCommon (IFC4) | Acoustic rating for the object. Indicates the sound transmission resistance of the object by an index ratio. | |
| DeadLoad | NATSPEC BIM | ||
| Deflection | NATSPEC BIM | ||
| LiveLoad | NATSPEC BIM | ||
| PointLoadCapacity | NATSPEC BIM | ||
| RValue | NATSPEC BIM | ||
| RadiationResistance | NATSPEC BIM | ||
| ThermalTransmittance | NATSPEC BIMPSet_RoofCommon (IFC4) | Thermal transmittance coefficient (U-Value). | |
| Scheduling data | |||
| FabricationTime | NATSPEC BIM | ||
| InstallationSequence | NATSPEC BIM | ||
| InstallationTime | NATSPEC BIM | ||
| LeadTime | NATSPEC BIM | ||
| Spatial and location data | |||
| FloorID | NATSPEC BIM | ||
| GISTag | NATSPEC BIM | ||
| GPSTag | NATSPEC BIM | ||
| SpaceID | NATSPEC BIM | ||
| Specification data | |||
| Color | COBie_ElementTypeCOBie_Specification | ||
| ExteriorFinish | NATSPEC BIM | ||
| Finish | COBie_ElementTypeCOBie_Specification | Specification of surface finish. | |
| InteriorFinish | NATSPEC BIM | ||
| IsExternal | PSet_RoofCommon (IFC4)PSet_RoofCommon (IFC2x3) | Complete value with: TRUE or FALSE (IfcBoolean) | |
| LoadBearing | PSet_RoofCommon (IFC4) | Indicates if object is intended to carry loads. Complete value with: TRUE or FALSE (IfcBoolean) | |
| Material | NATSPEC BIMCOBie_ElementTypeCOBie_Specification | ||
| SpecificationCode | NATSPEC BIM | ||
| SpecificationSystem | NATSPEC BIM | ||
| SpecificationTitle | NATSPEC BIM | ||
| Sustainability data | |||
| CarbonFootprint | NATSPEC BIM | ||
| ItemIsPartiallyRecycled | NATSPEC BIM | ||
| ItemIsRecycled | NATSPEC BIM | ||
| PostConsumerRecycledContent | NATSPEC BIM | ||
| PostIndustrialRecycledContent | NATSPEC BIM | ||
| PreConsumerRecycledContent | NATSPEC BIM | ||
| RecycledContent | NATSPEC BIM | ||