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IGMA Technical Corner
The world’s leading organization on the engineering and manufacturing of insulating glass

PRESENTATIONS
Unexpected Breakage in Ceramic Enameled (Frit) HS IG SPandrel  posted
February 2015
by Chris Barry
This presentation from the IGMA 2015 Winter Conference looks at causes of breakage in Spandrel glass with ceramic enameled frit.

Window Glazing for Durability (Residential)  posted May 2012
This video produced by IGMA looks at various aspects of the insulating glass unit.

An Introduction to Insulating Glass  posted August 2011
by A William Lingnell, PE, Lingnell Consulting Services / IGMA Technical Consultant
This slide deck from Bill Lingnell, longtime industry consultant and IGMA's Technical Consultant, looks at the basics of insulating glass, its history and much more.

Preventing Injuries During Flat Glass Handling  posted August 2011
by Mike Burk, Edgetech IG
This joint webinar by IGMA and the Glass Association of North America (GANA) looks at injuries and fatalities caused by mishandling of glass, or complacency when handling glass. Presented by Mike Burk of Edgetech IG, it also ponders ways to make the job site more safe.

BILL'S TECHNICAL CORNER

DOCUMENTS
Language of Sealed Insulating Glass Units 
posted May 2015
These are the official definitions from IGMA.

Definition of a Gas-Filled Unit  posted August 2012
This is the official definition from the former Sealed Insulating Glass Manufacturers Association (SIGMA).

Definition of a Failed Unit  posted August 2012
This document contains the complete edition of newsletter from the former Sealed Insulating Glass Manufacturers Association (SIGMA).

Insulating Glass Manufacturing Guidelines: Important Considerations  posted August 2011
This
technical bulletin from IGMA looks at important guidelines to consider in the industry.

ENERGY STAR® Technical Specification for Residential Windows, Doors, and Skylights Sold in Canada Version 4.0 – February 1, 2015  posted February 2014
This is the new document from Energy Star®.

 

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Latest News

Posted 11.02.2016
Fabricators Getting Hands-On Education at IG Workshop
The Insulating Glass Manufacturers Alliance (IGMA) is holding its second IG Fabricator's Workshop this week at the Intertek facility in St. Paul, Minn. It started Tuesday and runs through Thursday. Tuesday afternoon, participants heard a series of presentations covering basic insulating glass (IG) knowledge, adhesion and desiccants, as well as optimum air spaces, gas filling, cutting, washing and more.
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Posted 10.31.2016
IGMA Summer Conference Focuses on Issues Important to Insulating Glass Manufacturers
At the IGMA 2016 Summer Conference, several task groups gave updates on matters like the Quality Management System task group, the Sealant Adhesion to Spacer task group and others. Below is a summary of activities at that event.
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Posted 10.28.2016
Joint IGMA/AAMA Task Group Progresses toward Edge Pressure Testing
Excessive edge pressure applied to insulating glass units (IGUs) - as, for example, that exerted by over-tightened pressure plates used to secure glazing in curtain wall or sloped glazing systems - can create an aesthetic issue and ultimately result in a seal failure. A major example is the creation of a "wavy" edge of sealing material such as polyisobutylene (PIB) protruding into the vision area of the IGU, a phenomenon known as "scalloping."
Read More

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