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Engineering Laboratory

The Engineering Laboratory promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology for engineered systems in ways that enhance economic security and improve quality of life.

About EL
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Divisions

Building Energy & Environment Division
Fire Research Division
Intelligent Systems Division
Materials and Structural Systems Division
Systems Integration Division

Connect with us

GovDelivery

Lidar image of building collapse site looks like a black-and-white photo with some parts of the remaining walls marked in yellow and red.

NIST Report to Congress Provides Update on Champlain Towers South Investigation

50 Years of Fire Safety Advances at NIST

Photograph of large residential-style home with blue tile roof and solar panel in suburban campus setting.

A House Ahead of its Time

News and Updates

A wide view of a concrete beam assembly inside a large metal frame. A hydraulic arm is part of the metal frame, and it’s posed to press down at a section in the middle where the concrete pieces connect.

NIST Engineers Design 5 New Ways to Connect Concrete Pieces for More Resilient Buildings

September 29, 2025

One of the biggest challenges with precast concrete is connecting the concrete pieces at a job site.

Champlain Towers South Investigation Nears Completion of Technical Work

September 9, 2025

Investigators share likely failure scenarios, advance indicators of building’s distress.

Some Air Cleaners Release Harmful By-Products. Now We Have a Way to Measure Them.

September 2, 2025

Many types of air cleaners can generate small amounts of air pollution. Until now, there was no standard way to measure these negative by-products.

NIST to Provide Updates on Construction Safety Team Investigations in September Advisory Committee Meeting

August 6, 2025

The public meetings will include updates on NIST’s investigations into the impacts of Hurricane Maria and the partial collapse of the Champlain Towers South.

View All News and Updates

Software

Tool for Evaluation of Vaporized Hydrogen Peroxide Disinfection of N95 Masks in Small Rooms

June 3, 2020

This spreadsheet tool estimates the vaporized hydrogen peroxide (VHP) concentration in air of rooms used for VHP mask disinfection systems. The tool employs a

FDS and Smokeview

Fire Dynamics Simulator (FDS) is a computational model for smoke and heat transport from fires. Smokeview visualizes the output from FDS and CFAST.

BEES

February 5, 2018

The BEES ( Building for Environmental and Economic Sustainability) software brings to your fingertips a powerful technique for selecting cost-effective

CONTAM

January 8, 2021

CONTAM is a multizone indoor air quality and ventilation analysis computer program designed to help you determine: (a) airflows: infiltration, exfiltration, and

STEP File Analyzer and Viewer

September 30, 2025

The free STEP File Viewer supports parts, assemblies, dimensions, tolerances, and more. The Analyzer generates a spreadsheet of all entity and attribute

EVAP-COND, Version 5.0

January 1, 2020

EVAP-COND is a software package that contains NIST's simulation models EVAP and COND for finned-tube evaporators and condensers. The “tube-by-tube” scheme in

CFAST

CFAST (Consolidated Model of Fire and Smoke Transport) is a computer program that helps users understand how fire and smoke spread through a building.

VCCTL Software

(Return to Cement Hydration and Degradation Modeling Software) The Virtual Cement and Concrete Testing Laboratory (VCCTL) software provides a virtual testing

View All Software

Tools and Instruments

Additive Manufacturing Metrology Testbed (AMMT)

The NIST Additive Manufacturing Metrology Testbed is a fully custom, open-platform laser powder bed fusion (LBPF) system to advance monitoring, controls, and

Fire Calorimetry Database (FCD)

The NIST Fire Calorimetry Database (FCD) contains results of fire experiments conducted at the National Fire Research Laboratory.

SPHERE

In the artificial ultraviolet (UV) weathering of materials, a need exists for weathering devices that can uniformly illuminate test specimens with a high level

Additive Manufacturing Powder Metrology Laboratory

NIST researchers are developing and deploying test methods, protocols, and exemplar data for characterizing the properties of metal powders used in commercial

View All Tools & Instruments

Awards

Terri McAllister Receives the ASCE Mujumdar Resilience Award

Dr. McAllister is being recognized for her contributions to the advancement of resilience.

Alexander Maranghides Receives the 2025 Samuel J. Heyman Service to America Medal

For decades of important research into how fires that occur in communities adjacent to wildlands spread, what can be done to prevent them

Amy Mensch is Selected for the 2025 ASME Lakshmi Singh Early Career Leadership Award

This award recognizes early-career women engineers who have demonstrated considerable leadership in, commitment to, and continued service to

Siamak Sattar Receives the NIBS 2025 Innovator Award

NIST, FEMA, ATC, and STPI were awarded in recognition of their leadership and technical contributions to develop the NIST SP-1254 report to

View All Awards

Press Coverage

New unit at NIST (usa)

XtreeE, 3D Concrete Printing Solutions

July 5, 2024

We are thrilled to announce that XtreeE has successfully installed our cutting-edge 3D concrete printing system at the prestigious National Institute of