UL Prospector




USG Interiors produces a family of wet felted acoustical ceiling panels at its Cloquet, MN, and Greenville, MS facilities

having various light reflectance, noise reduction, and attenuation specifications with various levels of post-

consumer/industrial recycled content. These production lines employ a wet felted technology in the production of

acoustical ceiling panels. Wet felted acoustical ceiling panels contain mostly perlite, mineral wool, starch, recycled

paper and clay. In smaller amounts, other raw materials used in the panel forming process include flocculants,

biocides and defoamer. The finishing and packaging unit processes are dominated by the use of water-based paint,

which contains the following ingredients: calcium carbonate, clay, latex, titanium dioxide (TiO2) and other chemicals.

Shrink-wrap and corrugated strip are used as packing materials.

USG Interiors, LLC also produces a family of grid products at its Westlake, OH, Cartersville, GA, Oakville, ON, Canada

and Stockton, CA facilities. This family of grid products coordinates with RADAR CLIMAPLUS panels and includes 5 grid

profiles including DX/DXL, DXT, DXF, DXFF and DXI. Each profile is available in Intermediate Duty and Heavy Duty

weight. Grid production encompasses the third-party production of the hot-dipped galvanized steel coils, transport of

these coils to USG fabrication facilities where the steel coil is cleaned, coated (optional depending on intended



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