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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Schematic of the innovative impedance spectroscopy experiments performed at the US Forest Service Forest Products Laboratory that showed electrical conduction in wood is governed by percolation theory. Forest Service
ID: 154
A percolation model for water and electrical conduction in wood with implications for durability

Recently, researchers at the Forest Products Laboratory and University of Wisconsin have developed a new model of electrical conduction in wood ...

Principal Investigator : Samuel L. Zelinka

Resource Management and Use2010FPL
Photo of Mass Loss Calorimeter modified to include thermopile on chimney walls to compensate for radiant energy errors of the in-flow thermopile. Laura Hasburgh,  USDA Forest Service
ID: 899
Comparison of Two Bench-scale Tests Used for Obtaining Heat Release Rate

There is a growing demand for material properties to be used as inputs in fire behavior models designed to address building fire safety. This co ...

Principal Investigator : Laura Hasburgh, E.

Resource Management and Use2015FPL
Photo of Cone calorimeter testing simulates realistic fire scenarios. Steve Schmieding, Forest Service
ID: 13
Cone Calorimetry Takes Center Stage in Evaluating Fire Retardancy of Wood Products

Evaluations of cone calorimeter tests are now documented in handbook

Principal Investigator : Mark A. Dietenberger

Resource Management and Use2012FPL
Photo of Serious wood/metal corrosion of a fastener under a deck in Branson, MO. Samuel L. Zelinka, Forest Service
ID: 278
Corrosion of metals in wood

Corrosion data are necessary for the safe design and construction of wood decks and patios. Previous research was unable to calculate corrosion ...

Principal Investigator : Samuel L. Zelinka

Resource Management and Use2011FPL
Photo of A galvanized joist hanger corrodes on a wood deck. Forest Service researchers developed a desk reference to help people select the appropriate construction materials to prevent these failures. Samuel Zelinka, USDA Forest Service
ID: 438
Desk Reference on Fastener Corrosion Created for Engineers

Fastener corrosion is a design consideration when building exterior wood structures. Forest Products Laboratory researchers recently developed a ...

Principal Investigator : Samuel L. Zelinka

Resource Management and Use2013FPL
Photo of A fire growth model for homeowner-sized plats is being developed with state-of-the-art testing of realistic objects. Steve Schmieding, Forest Service
ID: 289
Developing a fire model for homeowner-sized plats - Protecting lives and properties through proper selection of building and landscape materials

This research is directed to development of fire growth model for the homeowner sized plat that would guide the user on better and aesthetic sel ...

Principal Investigator : Mark A. Dietenberger

Wildland Fire and Fuels2011FPL
Photo of Combustion tests and fire dynamics simulations allow researchers to characterize combustion rates, calorimetry, gas emissions, effective and total heat of combustion, and convective and radiative heat fluxes. USDA Forest Service
ID: 916
Developing the Next Generation of Forest Fire Behavior Models

Efforts are underway to develop the next generation of forest fire behavior models, and Forest Service researchers are extending their knowledge ...

Principal Investigator : Mark A. Dietenberger

Wildland Fire and Fuels2015FPL
Photo of The Cedar Covered Bridge, Winterset, Iowa, was destroyed by a fire set by an unknown arsonist on the evening of September 3, 2002. The Madison County Board of Supervisors constructed a replica of the original bridge, but this replica was also destroyed by an arsonist on April 15, 2017.
ID: 1291
Evaluating fire-damaged components of historic covered bridges

Arson continues to claim many historic covered bridges including the most recent one : Cedar Covered Bridge

Principal Investigator : Mark A. Dietenberger

Water, Air, and Soil2017FPL
Photo of Flashover occuring during test 2 with a partially exposed CLT ceiling.
ID: 1273
Fire performance of CLT buildings

Fire tests demonstrate that CLT buildings can be designed to withstand fire.

Principal Investigator : Samuel L. Zelinka

Resource Management and Use
Water, Air, and Soil
2017FPL
Photo of Dynamic vapor sorption instrument.
ID: 1292
Improving experimental techniques that probe wood-moisture interactions

Prior methods using dynamic vapor sorption instruments mischaracterized the equilibrium moisture content of wood. Equilibrium is reached after m ...

Principal Investigator : Samuel V. Glass

Resource Management and Use
Water, Air, and Soil
2017FPL
Photo of Flames in wood crib of creosote-treated timbers, approximately eight minutes after application of hot metal wafer. Robert White, USDA Forest Service
ID: 589
Intumescent Coating for Fire Protection of Structures

After years of development by industry, Forest Service scientists conducted specialized fire tests to prove the value of intumescent coating for ...

Principal Investigator : Mark A. Dietenberger

Resource Management and Use2014FPL
Photo of Exterior walls of test huts viewed from the southeast. Lance Barta, Home Innovation Research Labs
ID: 911
Managing Moisture in Energy-efficient Wall Systems

Moisture durability is critical for design and construction of energy-efficient buildings. Field measurements of moisture characteristics for hi ...

Principal Investigator : Samuel V. Glass

Resource Management and Use2015FPL
Photo of Physical phenomena described by mathematical models for indoor humidity in homes. Forest Service
ID: 153
Modeling indoor humidity in homes

Indoor humidity levels in a home influence not only occupant comfort and indoor air quality but also the durability of the building, especially ...

Principal Investigator : Samuel V. Glass

Resource Management and Use2010FPL
Photo of Homes with raised floors in New Orleans, Louisiana. Samuel V. Glass, Forest Service
ID: 286
Moisture Control in Crawl Spaces in Louisiana

Builders and homeowners in the Gulf Region often ask how to insulate a crawl space to avoid moisture problems. The Forest Products Laboratory (F ...

Principal Investigator : Samuel V. Glass

Resource Management and Use2011FPL
Photo of Computer-based simulation tools allow designers to gauge the risk of moisture problems in building design. Tivoli Gough, USDA Forest Service
ID: 581
Possibilities and Pitfalls of Computer Simulation for Building Moisture Analysis

Moisture problems are much less expensive to correct in the building design phase than after the building is constructed. Computer-based simulat ...

Principal Investigator : Samuel V. Glass

Resource Management and Use2014FPL
Photo of Phase diagram describing the states of water in wood.
ID: 1282
Scientists study how water changes wood

Water causes a host of wood damage mechanisms such as mold, decay, fastener corrosion, and splitting. This research elucidates how water chan ...

Principal Investigator : Samuel L. Zelinka

Resource Management and Use
Water, Air, and Soil
2017FPL
Photo of Simplified schematic representation of a cross-flow energy recovery ventilator core that allows transfer of heat and moisture to incoming supply air from exhaust air. This core helps maintain indoor conditions while bringing in fresh outdoor air. USDA Forest Service
ID: 897
Understanding Impacts of Ventilation on Moisture Levels in Homes

“Build tight, ventilate right” is good for reducing energy use in homes. Ventilation can also change the moisture levels in homes, affectin ...

Principal Investigator : Charles R. Boardman

Resource Management and Use2015FPL
Photo of Illustration of moisture sources and sinks in a typical home. USDA Forest Service
ID: 898
Understanding Soil Gas Entry Into Homes

Your home sits on the ground, and hence is influenced by soil gas that can add both moisture and radon to your indoor air. A Forest Service sci ...

Principal Investigator : Charles R. Boardman

Resource Management and Use2015FPL
Photo of Researchers are studying the freezing and melting of water in solid wood to learn about wood decay and faster corrosion processes. Tatiana Morozova, shutterstock.com
ID: 15
Water Freezing in Wood: How Low Can It Go

The freezing and melting of water in wood gives clues about how water bonds to wood during processes such as wood decay and fastener corrosion

Principal Investigator : Samuel L. Zelinka

Resource Management and Use2012FPL