After discovering new information, the Public Reading Museum is reintroducing two of its stained glass window panels : the Crucifixion and the Virgin and Child, from Barivian court painter Hans Wertinger in 1524.
The Glass Art Society is looking for individuals and organizations to share their experiences and expertise with the global glass community through demonstrations, lectures, demos, panels, performances, and more.
As part of our industry’s Reference and Technical Manual, first published by the Stained Glass Association of America (SGAA) in 1988 and updated in 1992, the issue of Protective Glazing was tackled according to the leaving research and practices of the day. The same philosophies, materials, and information are still valid today (2020). In the 30 years since publication, however, misinformation and confusion has continued to dominate the conversation in regards to protective glazing solutions. This might be the result of the fact that there is no “one-size-fits-all” solution. There is no magic solution for increased efficiency, and protective glazing is not a replacement for actual restoration.
To try to provide some relief from the misinformation that abounds for stewards and caretakers trying to make a decision, we have put together a brief guide based on the continuing, valid information presented in Chapter 20, Section A, Number 4 “Protective Glazing” Chapter in our 1992 “SGAA Reference & Technical Manual” in combination with today’s best practices and material information about the most commonly available options utilized across the country. This guide is not intended to be exhaustive but should be an adequate reference when used in conjunction with trusted advice from an industry expert, such as an Accredited Professional Studio.
In this guide, you find information on the basic philosophy of Environmental Protective Glazing, sometimes referred to interchangeably as ‘Secondary Glazing’ or simply ‘Protective Glazing.’ You will also see information on an overview of information in regards to ventilation, condensation, materials commonly used, their pros and cons and the lifespan of those materials, and a note on energy efficiency.
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