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XPSA > News

News

Press Releases

June 22, 2022
XPSA PROMOTES THE PRACTICAL ADVANTAGES OF PROTECTED MEMBRANE ROOF ASSEMBLIES USING MOISTURE RESISTANT EXTRUDED POLYSTYRENE FOAM INSULATION
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June 11, 2021
MOISTURE ABSORPTION OF POLYSTYRENE FOAM INSULATIONS IS THE FOCUS OF THREE NEW “TECHNICAL INSIGHTS” FROM XPSA
Fundamental Knowledge of Polystyrene Structure Is Essential to Exercise Engineering Judgment in Specifying Foam Insulation in Applications Involving Prolonged Exposure to Moisture
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October 8, 2020
COLD REGIONS STUDY CONFIRMS HIGHER R-VALUES FOR EXTRUDED POLYSTYRENE COMPARED TO EXPANDED POLYSTYRENE IN BELOW-GRADE APPLICATIONS, SAYS XPSA
Alaska University Transportation Center Analyzes Decades-Old Insulation Samples Extracted from Roads and Airfields in Cold Climates
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Media Coverage

“Humidité et polystyrene,” in French ; “Moisture Absorption in Polystyrene Insulation: Effect of service design R-values,” English translation.
By John Woestman, Director of Codes and Standars, XPSA
FORMES, Posted online 22 November 2022. Print edition: FORMES, Volume 18, Number 1 (May 2022).
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“Extruded polystyrene in protected membrane roof assemblies”
By John Woestman,  Director of Codes and Standards, XPSA
Construction Canada, March 6, 2022
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“Extruded Polystyrene in Protected Membrane Roof Assemblies”
By John Woestman, Director of Codes and Standards, XPSA
The Construction Specifier, February 2022
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Moisture Absorption in Polystyrene Insulation: Effects on In-Service Design R-Values
By John Woestman, Director of Codes and Standards, XPSA
IIBEC Interface, November 2020
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This article originally appeared in the November 2020 issue of IIBEC Interface. IIBEC Interface is the technical journal of the International Institute of Building Enclosure Consultants (IIBEC). The institute intends that IIBEC Interface educate and inform, establish common ground for discussion, and provide a forum for the exchange of ideas and technical knowledge. Visit IIBEC online at iibec.org to learn more.

XPS Delivers High R-values in Below-grade Applications
By John Woestman, Director of Codes and Standards, XPSA
The Construction Specifier, August 2020
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Digital Edition  (See Page 18)
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XPSA Headquarters

529 14th Street, N.W.
Suite 1280
Washington, DC 20045

Phone Number:
202.207.1113

About XPSA

The Extruded Polystyrene Foam Association (XPSA) is a trade association representing manufacturers of Extruded Polystyrene Foam (XPS) insulation products and the industry’s raw material suppliers. XPSA members collectively manufacture more than 95% of all XPS destined for use in the North American market. XPSA promotes the benefits that accrue to society from appropriate use of XPS foam insulation applications.

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