U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Fire

Structural fire resistance

News and Updates

MechEng NFRL article

Tested in the Flames

FIRES START WITH SIMPLE INGREDIENTS—fuel, oxygen, and a spark—but combustion scientists still struggle to understand the complex ways those ingredients interact

Publications