San Francisco : Architect and Engineer, Inc · leaf 541
^$;w. ■}!^- ^^«^<- !:;tia>*YK .JU«.!^-^^tl for better schools.. .at lower cost GYPSUM ROOF DECK SYSTEMS Pyrofill gypsum concrete poured over U. S. G. formboards on steel framingprovides all these outstanding advantages: FLEXIBILITY —Variety of U.S.G. formboards provides the versatihty to…
Architecture · Building
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