IGMA Gains Industry Support for Gas Permeability Standard

August 3rd, 2009 by Editor

The Insulating Glass Manufacturers Alliance (IGMA) has announced the continuation of the “Performance Sustainability of Insulating Glass Units: Development of a Test Protocol for Argon Permeability through Insulating Glass Units

” This multi-phase project currently is in Phase 2: “The Evaluation of the Gas Permeability of Edge Seal Assemblies,” which will result in a new test cell design for the industry

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“IGMA undertook this project, which is of interest to the IG fabricators but also manufacturers of fenestration products for both the residential and commercial markets,” says Margaret Webb, IGMA executive director “With energy codes becoming more and more stringent and the resulting liability exposure from retaining the inert gas in the unit, it is imperative that manufacturers understand the relationship between gas retention and thermal performance and be able to accurately determine which construction will provide the best solution for their customers”

IGMA also announced that it has received support and participation from two major industry organizations, the American Architectural Manufacturers Association (AAMA) and the National Fenestration Rating Council (NFRC)

“With the overwhelming majority of residential (95 percent) and commercial (89 percent) fenestration products now featuring insulating glass (IG) units, IGUs have emerged as critical components of window systems,” says Rich Walker, AAMA president and chief executive officer

“This IGMA research project will provide valuable technical information about the rate of gas permeability through different sealant membranes as well as the impact of different spacers on gas permeability The resulting information will improve the selection process for sealants and spacers for use in gas-filled IG units Enabling window manufacturers to design gas-filled products that retain their thermal performance longer is a prime objective in this era of green building and increasingly ambitious energy efficiency goals, both now and by 2030”

Joe Hayden of Pella Corp

, NFRC chairman of the board, adds, “NFRC is pleased to support IGMA’s Gas Permeability Research Project which will lead to improved methods for predicting the rate of gas loss through the seal of insulating glass units In turn, this will likely lead to improved gas retention technologies for the sealed insulating glass industry and is therefore consistent with NFRC’s first and foremost mission of serving the best interests of the general public”

The anticipated completion date for Phase 2, including design, test sample specification and testing of samples, is December 31, 2009

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  1. Argon gas leakage out of the IGU is one of the most common questions we hear from homeowners, and I look forward to seeing the final test results and subsequent literature that we can supply to the homeowners when they ask about this.

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