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PLAINTIFF'S EXHIBIT USG-676 t:* What should a ceiling do? co The ceiling...most important sCO o to CO ooUJ to In choosing a new acoustical ceiling, lasting beauty is important. But beauty is only one of the vital ceiling functions you should consider. Your investment in a ceiling system is most profitable when it provides the services that best satisfy your specific requirements. That's why the proper selection of your ceiling system requires the competent analysis of an expert--why every Acoustone* Acoustical Tile Ceiling System is sold not as a product, but as a complete service, a completed job. There are seven vital functions that you should consider when selecting a ceiling. The performance factors described on the following pages are the services vou're sure of with a modern ceiling system of Acoustone, the original fissured mineral acoustical tile by l nited States Gypsum. RCO. Or CO ofoo 0 2 A good ceiling design should accommodate lighting fixtures, air-conditioning and heating ducts, piping and wiring--all above-the-ceiling facilities essential to the health and well-being of employees who work below. Acoustone Mineral Acoustical Tile, suspended by the U.S.G. Concealed Z-Spline System (shown in inset) provides the simplicity of design that accomplishes this versatility. In addition; such a system permits easy access for quick adjustments and repairs, and the durability to resist normal building stresses^; . . A really modern ceiling construction should eliminate annoying sound reflections and reduce the high sound levels that so often sabotage working efficiency. Acoustone, suspended with U.S.G.'s E-Z-S System (shown in inset), is one of several U.S.G. Sound Control Ceiling Systems specially designed to provide practical solutions to a wide variety of acoustical problems. S'-.'-r' - v>- >w, v- yuZ'v- : -v.,-: -v\- What should a ceiling do? Good acoustical ceiling construction does not end with the control of sound within a room; unwanted sound from adjacent areas must also be reduced effectively. This may be accomplished economically by using one of several U.S.Gv acoustical systems that are designed to provide practical solutions to any number of sound-control problems. Acoustone, adhered to fireproof- U.S.G. Z-Board and suspended on U.S.G! Nailing.Channels (shown in inset), is one such solution. Whatever your acoustical problem, there's always a- sound answerfrom U.S.G.! , A one-hour fire rating can be obtained on a construction incorporating a new Acoustone Tile Ceiling System perfected by U.S.G. The system shown in inset includes incombustible Acoustone Tile adhered to fireproof %" Baxbord* Firecode 60 Gypsum Backing Board attached to U.S.G. Nailing Channels. While providing excellent fire resistance, this system saves money by reducing the cost of protecting the structure against fire. A beautiful ceiling plays a dominant role in helping you bring drama and visual interest to your room. United States Gypsum has a number.of new and striking patterns that complement the decorof any room ... and that offer maximum flexibility of design to architects: Small wonder that Acoustone Tile is known as "The beautiful way to quiet a room"! Right, top to bottom ' Four of the many striking Motif'd* Acoustone patterns" available: Fantasia, Mosaic,. . Linea and Grosgrain.. '^r-V .JC >S' - "" , . x-? What should a ceiling do? structure sound absorption sound isolation fire protection beauty comfort economy. True economy in ceiling systems requires a careful choice of methods, material and construction. You're sure of this kind of economy.when you insist on an Acoustone Ceiling System. One of several specially-designed constructions that provide maximum economy is.the U.S.G. Direct Suspension System (shown in inset). This is one of several ceiling constructions that can eliminate separate outlays for fire protection; sound-conditioning and other vital room services. What's more, savings from this system usually increase over the years; because the cost of ceiling maintenance is held to a minimum. - control is a job for experts Insist on trained acoustical contractors that have been appointed to apply United States Gypsum acoustical materials and systems in your area. Their appointment was based on their demonstrated ability to do professional work at a reasonable price . . . and because of their outstanding business integrity. For further information on any of the seven vital ceiling functions of particular interest to you, or to get a free showing of the 16 mm. color and sound film, "More than Meets the Eye," contact your nearby U.S.G. Acoustical Contractor or write United States Gypsum, Dept. 122, 300 West Adams Street, Chicago 6, Illinois. SC0 oto 03 oO>>' h\ sound business to look to U. S. G. for aU your acoustical needs... The materials shown here are only three of many U.S.G. products that have been designed to bring welcome quiet and efficiency to homes, schools, shops and offices. For full information--or answers to your own soundor space-control problems--write United States Gypsum, Department 122, 300 W. Adams St., Chicago 6, Illinois. ;\).V - -r.^ ''^ ^ /* - k ? ACOUSTOSORBER UNITS " v Quiet--when and where you heed It! Lightweight and portable Acoustosorber Units bring to industry the same benefi cial results of acoustical treatment already paying big dividends In offices--at a frac tion of the cost! . "RANDOM PERFORATED AUDITONE* NEW E-Z WALL MOVABLE PARTITIONS^ To complement the smartest interiorl Simple, economical, incombustible! Here'S This economical ceiling tile gives any ;\ls a n improved, easierwayto control space w room greater interest and warmth; tiles ; ' In offices and other commercial and in-iy blend with one another, forming a strik * . stitutional buildings. New E-Z Wall Mova^* ing, unregimented pattern that creates an ble Partitions--with less than 30 parts, all ;L over-all effect of beauty and functional / fully-modular--are designed for maximum :*^P| efficiency. "> . sirnpliclty, economy and fire protection. t.m. R#f. u.s. Ptt o. . ; v- '.^9' UNITED STATES GYPSUM the greatest name in building UNIT! O f TATI ffi 0O3 to 00 o Ouo'i! KQlYlbustible i motif'd Acoustone mineral tile SPECIFICATIONS AND SOUND ABSORPTION COEFFICIENTS i zes ... All patterns of Motif'd Acoustone, except Linea, are units; thick; with square edges only. Linea pattern is d ie in 12"x2i"' units only; VS thick; with square edges only. . oht reflection...Motif'd Acoustone painted white has , ; reflection coefficient of 711/,.. as tested by A.M.A. Laboratories. . SIGNS ... The standard patterns illustrated in this folder :e the designer with a wide range of beautiful and unusual rative effects. Custom designs can also be produced to meet :.;uai requirements. 1 ETHODS OF INSTALLATION . . . MoTIF'D ACOUSTONE may . diesively attached to an existing ceiling or to a suspended :m board base. ":f'd Acoustone in 12"xl2" units may also be mechanically :ended on the Concealed Z-Spline System. :f'o Acoustone in I2"x2 (" units (Linea only) may be me . c.dly suspended on the E-Z-S System. ::tion and utility sound ABSORPTION ... The adhesive application is desig. j as the "No. 1 mounting."' and the suspended acoustical units -ECHNICAL DATA on the Z-Spline System are designated as the "No. 7 mounting." (See Technical Data tor sound absorption values.) colors...The face side of Motif'd Acoustone is painted at the factory with a full-finish coat of either white or ivory paint. Other standard pastel colors shown on the current USG Texolite* Standard Color Selector are obtainable on special order. washability... Factory-painted Motif'd Acoustone may be washed with a damp sponge; or cleaned with a vacuum cleaner, chemical rubber sponge (used dry) or wallpaper cleaner of either putty or paste type. Accidental spotting or soiling can usually be removed by this method before over-all redecoration is necessary. PAl NTABILlTY. . . Motif d Acoustone mineral acoustical tile may be brush- or spray-painted many times without loss of sound absorption at 500 cycles per second, or in the Noise Reduction Coefficient. Oil. casein, resin emulsion or spirit-thinned paints may be used with normal painting procedures. Latex paints are not recommended. RESISTANCE TO SOILING AND "BREATHING". . .The painted finish of Motif'd Acoustone resists soiling, and limits objectionable air travel ("breathing") through the face of the tile. UNITS MOTIF'D ACOUSTONE "Striated" SOUND ABSORPTION COEFFICIENT (source: Acoustical Materials Association) Mounting Thickness Coefficients ot Cycl es Shown 125 250 500 1000 2000 4000 1 .03 .26 .77 .93 .83 .78 7 .55 .62 .64 .77 .87 .87 N.R.C. .70 .75 Wt. Per Sq. Ft. 1.30 1.30 Acoustone with U. S. G. systems ::rforms all of a modern ceiling structure sound absorption sound isolation fire protection beauty comfort economy UNITED STATES GYPSUM Dept. 122 300 West Adams Street Chicago 6, Illinois Gentlemen: Please have your representative call with complete information on the application of MOTIF'D ACOUSTONE with U.S.G. ceiling systems. Name______ Company Address . City Zone State sound control Sound control is sold as a service complete job, rather than just the product alone. For this reason United States Gypsum ceiling systems are installed by experts, trained in the science of acoustics and equipped to compute the exact acoustical installation required in your design. UNITED STATES GYPSUM the greatest name in building 'ostage ill be Paid by ddreuee, No f Pottage Stamp ^ Necetsary If Mailed <n the United Stales , WNMTi.K STATES BUSINESS REPLY MAIL First Class Permit No. 760, Chicago, Illinois United States Gypsum 300 West Adams Street Chicago 6, Illinois r>__ l i nn dotJe - fjLO BB028 0678