Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

CFAST - Consolidated Model of Fire Growth and Smoke Transport (Version 6), Technical Reference Guide, APRIL 2009 REVISION



Walter W. Jones, Richard D. Peacock, Glenn P. Forney, Paul A. Reneke


CFAST is a two-zone fire model capable of predicting the environment in a multi-compartment structure subjected to a fire. It calculates the time evolving distribution of smoke and fire gases and the temperature throughout a building during a user-prescribed fire. This report describes the nist-equations which constitute the model, the physical basis for these nist-equations, and an evaluation of the sensitivity and predictive capability of the model. This report is an assessment of the model following the outline set forth in ASTM E1355, Standard Guide for Evaluating the Predictive Capability of Deterministic Fire Models.
Special Publication (NIST SP) - 1026
Report Number


Fire growth, smoke transport, computer models, fire models, fire research, hazard assessment, toxicity
Created June 12, 2009, Updated February 19, 2017