t- SABINITE absorbs sound The new LaSalle Hotel is the result of an intensive, om-year rehabilitation program that ha; made this world-fa mous nostelry one of the finest in down town Chicago.

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/ <= 6- BETTER WALLS 0ABB ONSTRDCTION fl PERFECT, LOW COST JOINT CONCEALMENT AND REINFORCEMENT BB015 2480 (Cross section of Recessed-Edge Joint finished with Perf-A-Tape and Cement) New Recessed-Edge Sheetrock* offers a new kind of wallboard construction that makes possible stronger, smoother wallboard jobs.

USG GYPSUM PLASTERS AND FINISHING LIMES A.I.A.

'ECHNICAL INFORMATION AND APPLICATION INSTRUCTIONS eria PLASTER United States Gypsum THE GREATEST NAME IN BUILDING B B O lfa 1 4 3 1 Table of Contents SYSTEMS PAGE Metal Stud Partition............................................................................................................... 10 Wall Furring. ......................................................................................................................... 11 Furred and Suspended Ceiling Assemblies......................................................... 12 Chase Walls................................................................................................................................. 13 2- 1 /4" Solid Partition . ....................................................................................................... 14 Double Solid Partitions........................................................................................................ 15 Laminated Insulating Assemblies.............................................................................. c Wood Frame Constructions.............................................................................................. 17 20 Joint Reinforcement............................................................................................................. 23 Accessory Installation...................................................................................................... 24 PLASTERING IMPERIAL Plaster Finish............................................................................................. 25 IMPERIAL Plaster Machine Finish........................................................................ 27 IMPERIAL Plaster Basecoat...................................................................................... 29 IMPERIAL Plaster Machine Basecoat................................................................ 31 DETAILS ................................................................................................................................... 35 BB016 1432 NOTICE: The following trademarks are owned and/or registered in the United States Patent Office by United States Gypsum Company and are used throughout this literature to designate products manufactured by this Company: RED TOP (plasters); IMPERIAL (plaster, plaster base, tape); DIAMOND (plaster); STRUCTO-GAUGE (plaster); IVORY (lime); DURABOND (joint compound); THERMAFIBER (sound atten uation blanket); USG (metal studs); SHEETROCK (resilient channel).

AAVMXIA'WU MATMMl* Leu& NEWSPAPER SUCCESSFUL RETAILERS of building materials, have proved by actual test that one of the best methods of promoting sales is through advertising in their local newspapers.

R D BALDWIN . ; r,AKt $mvu&Q?

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1 g=3 Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL-- - decisions and trends fw C=3 MARCH, 19S4 (Vol. 18, No. 3) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE ,PITTSBURGH 13 PA.

FYI: J.