Insulated Glass Seal Failure

Mark Meshulam is a consultant for insulated glass seal failures including fogged & condensing windows Condensation between glass panes can be a real pain for building owners Insulated glass, sometimes called by the old LOF trade name Thermopane, has been commercially offered in the United States since the 1950s. For the ensuing 60 years, the fundamental concept hasn’t really changed. Insulated glass still consists of…

An Interview with Guardian

Mark Meshulam is an expert witness and consultant for architectural glass and glazing. Chris Dolan is director of commercial glass markets at Guardian Industries. Guardian is one of the top players in the manufacture of float architectural and fabricated glass. Q: What can you tell us that will help put the array of Low-E glass choices into an understandable framework? Guardian: We organize our products…

An Interview with Viracon

Mark Meshulam is an expert witness and consultant for low-e glass and architectural glass. Bob Carlson is a Field Sales Representative for Viracon a premium producer of fabricated and coated architectural glass. He is known in our market as a valuable informational resource. He’s a very nice guy, too. Bob’s territory is Illinois and Wisconsin Q: What can you tell us that will help put…

An Interview with PPG

Mark Meshulam is an expert witness and consultant for windows, glazing and building exteriors. Rob Struble is Manager, Business Communications, PPG Performance Glazings Q: What can you tell us that will help put the array of Low-E glass choices into an understandable framework? PPG: Our Low-E products fall into two categories, Sungate glass and Solarban glass. Sungate is a pyrolytic coating designed for passive solar…

Fine Tuning Low-E Glass

Mark Meshulam is an expert witness and consultant for windows, low-e glass and building exteriors. I feel sorry for anyone charged for the responsibility for choosing or specifying Low-E glass. The choices are nothing short of overwhelming. See for yourself: Guardian Glass PPG Glass-Residential PPG Glass-Architectural Viracon Glass Although I have been “doing windows” since 1981, I am still staggered by the volume of information…

Annealed Glass, Heat Strengthened Glass, Tempered Glass and Insulated Glass

Annealed glass, heat strengthened glass, tempered glass and insulated glass are the main types of glass used on buildings. Each has unique properties and applications. Strength, breakage pattern and thermal properties are key variables. This article will focus on: Annealed glass Heat strengthened glass Tempered glass Insulated glass Annealed glass Annealed glass refers to glass which comes from the primary factory, the “float” plant. Most…

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