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buildingSMART standards About Us

This site is the only official website maintained by buildingSMART to publish IFC and related buildingSMART data model standards.

The buildingSMART data model standards are developed by the Model Support Group [MSG], the implementation activities are coordinated by the Implementation Support Group [ISG]. Together both groups organize the IFC software certification process [Certification]. is the home of the Industry Foundation Classes [IFC].

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buildingSMART Standards My Software and IFC

buildingSMART defines a family of corresponding standards that interact :

Data Model Standards [IFC], and related specifications [MVD] are officially published at this website. related standards, such as [BCF] and affiliated standards are hosted here as well.

Data Dictionary Standard - International Framework for Dictionaries [IFD] and Process Definition Standard - Information Delivery Manual [IDM] are linked.

IFC is the complete and fully stable open and international standard for exchanging BIM data.

IFC is supported by about 150 software applications worldwide to enable better work flows for the AEC industry.

buildingSMART has a software certification process to support software developers quality assurance for IFC and to provide confidence to end users using IFC.

IFC4 and first MVD'S released IFC2x3 certifications

March 2013 the long expected new edition of the main buildingSMART standard IFC has been officially released: IFC4.

NEWS 15.07.2016 The minor enhancement release, IFC4 Add2 has been published. It containes several improvements and superseeds the IFC4 Add1 release.

NEWS 10.07.2005 The development of the first two Model View Definitions for IFC4 Add1 is completed. The new IFC4 Reference View will efficiently support all reference model based work flows, the IFC4 Design Transfer View will extent the capabilities of the IFC2x3 Coordination View 2.0. Both are now buildingSMART Final Standards.

Also on 12-03-2013 the first software products have been certified to conform to the new IFC2x3 Coordination View 2.0 Export requirements. This marks an important step towards better quality and more certified products are expected soon.

over two years later, July 2015, there are 37 software applications from 29 software vendors participating, with 30 certificates granted (15 export, 15 import).

Having quality controlled IFC2x3 interfaces in use, while gradually moving towards IFC4 based solutions, is a necessity for end users.