The San Francisco meeting has proved to be the most highly attended IGMA meeting so far, with a considerable increase in attendance compared to past conferences.
The San Francisco meeting has proved to be the most highly attended IGMA meeting so far, with a considerable increase in attendance compared to past conferences.

Meetings at the 2014 Insulating Glass Manufacturers Alliance (IGMA) 2014 Winter Meeting, held at the JW Marriott Union Square in San Francisco, continued today with technical services committee task groups as well as a technical update.

The morning, which began for members with a closed-door discussion of the Gas-filled IGU Correlation Field Study, focused on the technical services task groups. Starting with Glazing Guidelines, led by Tracy Rogers of Quanex Building Products, the discussion focused on joint testing and development with GANA, and possibly, AAMA. Additionally, Jeff Haberer of Trulite Industries and head of Thermal Stress in IG Units, said the guidelines for the task group were finished.

Bill Briese of GED, who leads Dimensional Tolerances for Multiple Cavity Insulating Glass Units, told attendees that the IGMA Guidelines for Insulating Glass Dimensional Guidelines had been pulled because, upon examination, they essentially were “useless.”

Next up, Helen Sanders of Sage Electrochromics presented an update for the Edge Pressure of Insulating Glass Units. The main topic of discussion focused on understanding why the standard was listed as 4 to 10 pounds per linear inch. According to Chris Barry, who recently retired from Pilkington, it refers to standards that no longer exist.

“Many of today’s spacers are flat,” he said. “Four to 10 pounds is meaningless today. It needs revision. Throw out 4-10 and start from scratch. We really need to update it to today’s IG seal systems.”

IGMA technical director Bill Lingnell pointed out that there still are some systems which would use those standards.

Next up was PIB (polyisobutlyene) Migration, led by Dave Cooper of Guardian Industries. The committee is working on a test method to duplicate failures or dos and don’ts of proper industry practices. The exact scope will be determined once the action items are completed for the task group. The Visual Quality group, led by Rogers, then discussed the current status of its item to be published. The group is in the process of revising a guide to understanding glass standards. It is currently are working to pare it down to make the document make more consumer-friendly and less technical. They want to wrap up the draft soon and get out a ballot.

Lingnell also offered a technical update. He said that ASTM E1300 is being updated for a possible 2015/2016 revision. The thermal stress standard is being evaluated. As for ISO meetings, Lingnell said the goal is to update USO 204912 parts 1, 2 ,3 and 4 in IS TC 160-SC-1 WG4 in insulating glass. Goals for IGCC/IGMA are to reduce the time it takes to certify insulating glass unit testing.

GANA technical director Urmilla Sowell also offered an update from  the association, telling attendees that the organization recently signed a letter to Congress about the energy improvement act. The letter was signed by many other organizations opposing Addendum am to ASHRAE 189.1, including members of the lighting industry and architects who think the amount of glass in buildings should not be limited.

Sowell said that a lot of time was spent in the past code cycle with residential ICC proposals through the Glazing Industry Codes Committee.

The meetings will continue this afternoon with a presentation titled “Safety Glazing: Does it Make the Cut?” by Julia Schimmelpenningh of Eastman Chemical Co.

The conference runs through Friday, March 7. Stay tuned to™ for the latest updates. The conference opened on Monday and has included a tour of Alacatraz and the Lawrence Berkeley National Laboratory.