25 Free Revit Shared Parameters Files (.txt) Download – BIM Standards, COBie & MEP Ready

Any BIM Manager working in Autodesk Revit knows one thing: Shared Parameters and their GUIDs are the backbone of consistent BIM data. When GUIDs are inconsistent, tags, schedules, IFC exports, and COBie deliverables fail—no exceptions.

The GUID is the social security number of your data. Change one digit, and the parameter is no longer the same entity. It disappears from schedules.

This package of 25 free shared parameter files (.txt) is structured to standardize data across architecture, MEP, structural, and asset management workflows.

By offering these standardized files, we are providing the foundation for a reliable, coordinated BIM environment used across disciplines.

Download Free Revit Shared Parameters Files (.txt)

  • Full package available as .txt files ready for integration
  • Compatible with Revit 2022–2025
  • Structured for ISO 19650 / BIM Level 2 workflows

Primary reference:

Professional Revit Shared Parameters Files (.txt)

Architecture & Interior Parameters

  • Architecture_Master_Finishes.txt: Contains parameters for floor, wall, and ceiling finish codes, ensuring consistent interior schedules and material tagging.
  • Door_Hardware_and_Keying.txt: Advanced door parameters for Lockset Type, Closer Type, Keying Group, and Threshold requirements.
  • Window_Performance_Thermal.txt: Includes parameters for U-Value, SHGC, Visible Light Transmittance, and Glazing Type for thermal analysis.
  • Interior_Signage_and_Wayfinding.txt: Contains parameters for Sign Text, Braille requirements, and mounting heights for ADA compliance.
  • Kitchen_and_Food_Service.txt: Includes parameters for Wattage, Gas Input, Water Inlet, and specialized drainage for commercial kitchen equipment.

MEP Parameters

  • MEP_Electrical_Load_Data.txt: Specialized for electrical families, containing parameters for Voltage, Phase, Apparent Load, and NEMA configuration.
  • MEP_HVAC_Airflow_and_Temp.txt: Focuses on mechanical equipment, providing shared parameters for CFM, Static Pressure, Entering/Leaving Air Temp, and Fluid Type.
  • MEP_Plumbing_Pipe_Specs.txt: Parameters for GPM, Drainage Fixture Units (DFU), Pipe Material, and Cold/Hot water connection requirements.
  • Lighting_Fixture_Photometrics.txt: Parameters for CCT (Color Temp), CRI, Luminaire Efficacy, and IES file associations.
  • Security_and_Low_Voltage.txt: Specialized parameters for IP Addresses, Port Assignments, and MAC addresses for data and security equipment.

Structural Parameters

  • Structural_Steel_AISC_Properties.txt: High-precision parameters for AISC section designations, Yield Strength, and structural coating requirements.
  • Structural_Concrete_and_Rebar.txt: Contains parameters for f’c (Concrete Strength), Rebar Grade, Clear Cover, and Exposure Class.
  • Bridge_and_Tunnel_Structural.txt: Specialized parameters for Pier ID, Expansion Joint type, and Bearing capacity for infrastructure BIM.

BIM Data, IFC & Standards

  • COBie_Asset_Management_Data.txt: Fully compliant with international COBie standards, including Asset Name, Warranty, and Maintenance schedules for facility management. Reference: https://www.wbdg.org/resources/cobie
  • IFC_Mapping_and_BIM_Export.txt: Designed to facilitate clean IFC exports with parameters for IFC Export As, IFC Object Type, and Pset_Data. Reference: https://technical.buildingsmart.org/standards/ifc/
  • LEED_Green_Building_Metadata.txt: Parameters for Recycled Content, VOC levels, and distance from the manufacturing source for sustainability tracking.
  • BIM_Project_Tracking_LOD.txt: Parameters for Level of Development (LOD 100-500), Element Author, and QC Review status.

Equipment, Asset & Facility Data

  • Furniture_and_Equipment_Spec.txt: Includes parameters for Lead Time, Unit Cost, Manufacturer Link, and Model Number for architectural FF&E (Furniture, Fixtures, and Equipment).
  • Manufacturer_Warranty_Support.txt: Specifically for project closeout, including Installation Date, Warranty End Date, and Support Contact information.
  • Healthcare_Medical_Equipment.txt: High-detail parameters for medical gas connections, power redundancy, and clinical sterilization requirements.

Urban, Civil & Landscape

  • Urban_Planning_Zoning_Data.txt: Contains parameters for FAR (Floor Area Ratio), Setback requirements, and Building Height limits for urban massing.
  • Civil_Utilities_and_Infrastructure.txt: Parameters for Invert Elevation, Pipe Slope, and Utility Owner for civil BIM coordination.
  • Landscape_Planting_Species.txt: Parameters for Latin Name, Root Ball Size, Caliper, and Sunlight requirements for landscape architecture.

Compliance, Renovation & Risk

  • Acoustic_and_Fire_Ratings.txt: Specifically defined parameters for STC ratings, Fire Rating hours, and Flame Spread requirements for partition and door families.
  • Renovation_and_Demolition_Tracker.txt: Parameters for Demolition Method, Salvage Value, and Construction Waste management data.

Revit Shared Parameters File Structure (What Revit Actually Reads)

A valid shared parameters file must start exactly like this:

# This is a Revit shared parameter file. Do not edit manually.
*META VERSION MINVERSION
*GROUP ID NAME
*PARAM GUID NAME DATATYPE DATACATEGORY GROUP VISIBLE

Example:

PARAM 12345678-ABCD-1234-ABCD-1234567890AB FireRating TEXT 1 1
PARAM 87654321-DCBA-4321-DCBA-0987654321BA Manufacturer TEXT 1 1

Key points:

  • GUID = permanent identifier (never modify)
  • GROUP = numeric reference to a defined group
  • If META or GROUP sections are missing, Revit will reject the file

Real Use Cases (Field-Proven)

  • Use Acoustic_and_Fire_Ratings.txt to standardize wall tags across multiple projects
  • Use COBie_Asset_Management_Data.txt for facility handover deliverables
  • Use MEP_Electrical_Load_Data.txt to maintain consistent electrical schedules
  • Use IFC_Mapping_and_BIM_Export.txt with IFC export settings to avoid classification errors

Expert Implementation Guidelines

Do Not Break the GUID

The GUID is not editable. Treat it as fixed identity. If changed, Revit creates a new parameter and breaks all schedules.

Build and Control a Master Shared Parameters File

Do not scatter multiple .txt files across teams.

  • Maintain one company master file
  • Append new parameters carefully
  • Avoid duplicates with different GUIDs

Critical: GROUP Structure Before Copy-Paste

When appending parameters manually:

  • You must first define the GROUPS in the header section
  • Example:
GROUP 1 Identity Data
GROUP 2 Mechanical
  • The number in each PARAM line must match an existing GROUP ID

If not:

  • Parameters may not appear in Revit
  • File may load with errors

Shared Parameter Activation in Revit

The .txt file is only the source.

To use parameters:

  1. Go to Manage → Project Parameters
  2. Add parameter from shared file
  3. Assign it to categories (Walls, Doors, etc.)

If you skip this step:

  • Parameter will not exist in the project

Type vs Instance (Strategic Choice)

The .txt file does not define Type or Instance.

That decision is made when adding the parameter into Revit.

Recommended approach:

  • Type parameters → Manufacturer, Warranty, Model Number
  • Instance parameters → Installation Date, Asset ID, Maintenance data

This keeps schedules clean and usable.

Multi-Discipline Coordination Rule

All disciplines must use the same shared parameters file:

  • Architecture
  • MEP
  • Structural

If not:

  • Multi-discipline schedules will fail
  • Data will not align across linked models

Families from External Sources

Downloaded families often come with their own shared parameters.

This creates:

  • Duplicate parameters
  • Inconsistent schedules

Best practice:

  • Replace external parameters with your CADAuthority standard parameters
  • Ensure all families align to one system

IFC Export Mapping (Advanced Use)

The file IFC_Mapping_and_BIM_Export.txt is designed to work with:

  • exportlayers-ifc-xxx.txt configuration files

Use both together to:

  • Control IFC class mapping
  • Avoid export errors
  • Maintain consistent BIM data exchange

Productivity Tools (Recommended)

Native Revit tools are limited for parameter management.

Use:

These help:

  • Audit parameters
  • Clean duplicates
  • Manage shared parameter files efficiently

FAQ – Revit Shared Parameters

What is a Revit shared parameter?

A shared parameter is a parameter stored in an external .txt file and identified by a GUID, allowing it to be used in tags, schedules, and across multiple families.

How do I load a shared parameter file?

  • Manage tab → Shared Parameters
  • Load the .txt file
  • Then add it via Project Parameters to activate it

Why is my parameter not showing in the project?

Common causes:

  • Parameter not added via Project Parameters
  • Wrong category assignment
  • GUID mismatch

Can I edit a shared parameter GUID?

No. If you change the GUID, you create a new parameter. Existing data becomes disconnected.

What is the difference between shared and project parameters?

  • Shared parameters → standardized, schedulable, usable across families
  • Project parameters → local to project, limited use

Can I merge multiple shared parameter files?

Yes, but:

  • Define GROUPS first
  • Avoid duplicate GUIDs
  • Maintain one controlled master file

Are these files COBie compliant?

Yes. The COBie file includes parameters aligned with asset management and facility data requirements.

Why do schedules fail in multi-discipline models?

Because disciplines are not using the same shared parameter GUIDs.

Fix:

  • Use one shared parameters file across all teams

This set is built for teams that need clean schedules, consistent tagging, and controlled BIM data across disciplines without rebuilding parameter systems on every project.

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