Illinois Society of Architects · Chicago · leaf 17
15 … Greater Roof ValueThan Ever Before! ...because of SAVINGS IN STRUCTURAL STEELELIMINATION OF ALL MAINTENANCEFIRE SAFETY... INSULATING VALUECONCRETES PERMANENCE featherweight Concrete INSUIATING ROOF SLABS today ^s most econotnical roof-deck MILLIONS OF SQUARE FEET IN USE Featherweight Concrete slabs…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
