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PLAINTIFF'S EXHIBIT USG-1289 Ad No. 40-57-205A California PUitcrrr--Januar 1 pare bleed, i Plasterer & Cement Maaon--Januar Plasterinr Induime*--Februar 1 pa^e.

United States Gypsum* PLASTERING MATERIALS PM 142 AUDICOTE Over IMPERIAL Basecoat SUBJECT: Tentative Specifications AUDICOTE* Acoustical Plaster Over IMPERIAL* Basecoat Plaster USE AUDICOTE Acoustical Plaster may be hand or machine applied to various thicknesses, dependent on noise reduction requirements, over properly prepared, set, semi-dry or dry IMPERIAL Basecoat Plaster.

/ <= 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.

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One ofyour neighbors is re-roofing now with USG0ASPHALT SHINGLES WATCH OUT!

PLAINTIFF'S EXHIBIT J USG-I721 USE Wood Fiber Piaster Is excellent for patching hoi* and filling large cracks In old plaster surfaces.

FLUID COMPATIBILITY Fluid sealing technology involves more than the simple selection of packing or sealing material for any given fluid media.

T General Information P. 3J Effective 7/1/80 Supersedes 3/1/77 / UTEX STYLE NUMBERS STYLE CODE GENERAL REMARKS (Stock Sizes, References, Substitutions, Etc.) 0818 B "V" Packing - S33AQ1LHB Solid Pressure Rings And Adapters QJell Service Only) 0820 B "V" Packing - S31DR1LHB-59VD Plunger Packing -Solid Pressure Rings & Bottom Adapters, 33D/59D1LHB Top Adapters & 33A1LHB or 59VD Bearing Rings - Consult Pricing For Minimums 0825 B S501DR1LHB (EPDM) Pressure Rings and S28R/59D1LHB Adapters 0826 B "V" Packing - SJ26M1LHB Vicon and Asbestos - Consult Pricing For Minimums 0827 B "V" Packing - S125M1LHB Viton & Asbestos, Solid - Consult Pricing For Minimum 0828 B "V" Packing S7507 - Viton Homogeneous Solid 0829 D "V" Packing, S95DR1LHB Butyl, Duck 4 Nylon Pressure R4ngs, Solid With S95D1LHB Butyl & Duck Adapters 0830 B "V" Packing S40D1LHB - Buna-N & Duck Solid - Approved for FpA Service 0831 B "V" Packing S88075 - Buna-N Homogeneous - Solid - Approved for FDA Services 0832 D "V" Packing S7757 - Butyl Homogeneous - Solid 0833 B Miscellaneous "J" Design Sets 4 Rings, Per Dwg.

These USG products and systems have been tested and approv I New York City Board of Standards and Appeals as meeting ceeding requirements of the Administrative Building Code: WALL AND CEILING CONSTRUCTIONS PYROBAR* Gypsum Tile for partitions.

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