Illinois Society of Architects · Chicago · leaf 20
19 U. S. GYPSUM PRODUCTS Distinct Advances in the Construction of Interior Walls and Ceilings PYROBARGYPSUM TILE For fireproof partitions,steel protection,elevatorenclosures, wall furring,etc. Approved by Na-tional Board of FireUnderwriters. Has fourteen points of superiority over other materials… … Animprovementon inflammable wood studdingandmetal studding. Composed of two light, well-sea-soned, wooden nailing strips completely encasedin a thoroughly efficient fireproofing material madefrom Gypsum. Where a hollow space is desiredin partitions for concealment of pipes and wires,use Gypsinite…
Architecture · Building · Architects
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