Historic Resources Committee


Latest Discussion Posts

  • For fire ratings of archaic materials like plaster on wood lath, see the International Existing Building Code, Resource A. Many materials are included in its tables. For adding to existing construction to increase fire ratings, see the written guidance...

  • I meant to say 5/8"x gyp. Board under the metal ceiling (removed and reattached). This is a long tedious process. I wish there was a better solution as we reuse the remainder of the older buildings in our Cities. ------------------------------ Nelson...

  • Check the HUD Guidelines for Fire Ratings of Archaic Materials and Assemblies. If you modify the existing assembly you will have to have the entire assembly comply with current UL or other rating agencies. Plaster is a great material and if it is...

  • We just worked on such a project. Antique metal ceiling over sleepers and joint with 2 layers of 3/4” wood on the 2nd Floor. In order to get the 2 hour fire separation required by the UBC (Michigan) or the “Existing Code” we have to sprinkle the...

  • Check the HUD Guidelines for Fire Ratings of Archaic Materials and Assemblies. If you modify the existing assembly you will have to have the entire assembly comply with current UL or other rating agencies. Plaster is a great material and if it is...

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  • For me, our annual convention is always a time where I am reinvigorated about our profession and what we do as architects. This year’s convention in Philadelphia was no exception. This newsletter contains information on many of the events that the...

  • Does anyone know of replacement shingles for this kind of roofing? I noticed a lot of them on the ground in New Orleans after Katrina so the National Park Service is not the only entity needing to find an appropriate substitute. Victoria Jacobson

  • If you have not noticed, the Symposium presentations are summarized in an article in the most recent issue of Preservation Architect and copies of all the presentations are linked to this article. Here is the list of presentations: ...

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  • The AIA Historic Resources Committee is the oldest standing committee of the AIA. It was organized in 1890 as the Committee on the Conservation of Public Architecture. The history of the Committee and the AIA’s involvement in preservation is recorded...

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