Illinois Society of Architects · Chicago · leaf 366
366 Pol- the fliepioonng- of the floor concrete, tileor sheet metal shall be used. Concrete shallbe at least 3 Inches thick and when placedover wood floors all openings through suchMoors shall have the exposed ends of boardscovered by sheet metal. Sheet metal usedas a floor covering shall be not…
Architecture · Building · Architects
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