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Insulation blown in hollow mullions and spandrels of new post office building
In St. Paul post office and custom house, continuous window mullions and spandrels are hollow and radiator risers and take-offs run within them; mullions and spandrels were blown full of rock wool insulation to insulate piping and to make construction about windows and over spandrel areas non-conductive.
Insulation blown in hollow mullions and spandrels of new post office building
In St. Paul post office and custom house, continuous window mullions and spandrels are hollow and radiator risers and take-offs run within them; mullions and spandrels were blown full of rock wool insulation to insulate piping and to make construction about windows and over spandrel areas non-conductive.
Insulation blown in hollow mullions and spandrels of new post office building
Heating, Piping Air Conditioning
1935
2 pages
Article (Journal)
English
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