What Is IFC in BIM?

IFC in BIM stands for Industry Foundation Classes. It is an open and standardized file format used in Building Information Modeling (BIM) to help different software applications exchange project data smoothly.

In simple words, IFC allows architects, engineers, contractors, and facility managers to share BIM models between different software platforms without losing important information.

Why IFC Is Important in BIM

Different companies often use different BIM software tools such as:

• Autodesk Revit

• ArchiCAD

• Tekla Structures

• Bentley OpenBuildings

Without IFC, these programs may struggle to communicate with each other properly.

IFC acts like a universal language for BIM data exchange.

Main Purpose of IFC

The primary goal of IFC is to improve interoperability in BIM projects.

IFC Helps With:

• Sharing BIM models across software platforms

• Maintaining accurate building information

• Supporting collaboration between teams

• Preserving project data over time

• Reducing software compatibility issues

How IFC Works

IFC stores both:

1. Geometry Information

This includes 3D shapes and building elements such as:

• Walls

• Doors

• Windows

• Floors

• Pipes

• Structural beams

2. Data Information

This includes project-related details like:

• Material specifications

• Dimensions

• Costs

• Schedules

• Maintenance data

Benefits of IFC in BIM

BenefitDescriptionOpen StandardNot controlled by one software companyBetter CollaborationTeams can exchange data easilyLong-Term Data StorageInformation remains accessible for yearsReduced ErrorsMinimizes data loss during transfersSoftware FlexibilityUsers can choose different BIM tools

Who Develops IFC?

IFC is developed and maintained by
buildingSMART International.

Their goal is to improve open BIM standards worldwide.

Learn more here:
buildingSMART International IFC Standards

Example of IFC in Real Projects

Imagine:

• An architect designs a building in Revit

• A structural engineer uses Tekla Structures

• An MEP engineer uses another BIM software

IFC allows all these professionals to share the same project model accurately without recreating everything from scratch.

IFC vs Native BIM Files

IFC FileNative BIM FileOpen formatProprietary formatWorks across multiple softwareLimited to one softwareBetter interoperabilitySoftware-specificLong-term accessibilityVendor dependency

In Simple Words

IFC is a universal BIM file format that helps different BIM software programs work together by sharing accurate building information efficiently.