Friday, April 20
3:30 PM – 5:00 PM
Natural Disasters - Moving Toward Improved Resilience
In the past year, major flood events in the U.S. have resulted in more than $20 billion in damages to housing and infrastructure, including damage to approximately 175,000 homes. This trend is expected to continue as climate change continues to impact normal weather, making it more extreme. The Federal Emergency Management Agency (FEMA) Building Science Branch is working with ASTM International to develop tools for evaluating flood-damage resistant materials.
The recently published ASTM E3075 - Standard Test Method for Water Immersion and Drying for Evaluation of Flood Damage Resistance exposes construction materials to water immersion and drying conditions to simulate the effects of wetting and subsequent drying that occurs with a flood event. The wetting and drying exposure is followed by surface cleaning.
The Standard Practice for Determining the Flood Damage Resistance Rating of Materials and Assemblies, which is being developed under ASTM WK35237, includes descriptions of testing parameters for evaluating the material’s ability to be cleaned and restored to serviceability.
The primary users of these standards will be manufacturers who will subject their materials and assemblies to the testing requirements and local building officials who will use the ratings to determine what materials are allowed to be used in construction below the Base Flood Elevation (BFE).
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