Usg Interiors Inc patents

Method for dewatering acoustical panels

The disclosure provides a method of forming an acoustical panel base mat, including providing a green board including an alkyl ether sulfate surfactant, wherein the green board includes from about 10 to about 40 wt. % solids, and dewatering the green board slurry to form a dewatered green board, wherein the dewatering comprises supplying hot air and applying a vacuum to the green board.. ... Usg Interiors Inc

Silicate coating for improved acoustical panel performance and methods of making same

The disclosure provides a curable coating composition including 10-50 vol. % inorganic binder, based on the total volume of solids in the dry coating composition, wherein the inorganic binder is an alkali metal silicate or an alkaline earth metal silicate and 50-90 vol. ... Usg Interiors Inc

Trim strip system for use with underhung ceiling panels

In combination, extruded aluminum trim strips joined end-to-end and a splice plate, the trim strips together, the trim strip cross-sections including a web and a pair of opposed angles, the angles and web forming a track for receiving a mid-section of the splice plate with a close sliding fit, the splice plate having lever tabs at opposite ends, notches at sides of the plate, the plate being disposed in the tracks of both lengths of trim strips, the lever tabs and associated edges of the lever tabs formed by the notches being outside of the tracks, the associated edge being arranged in a locking manner with outer surfaces of the angles as a result of the lever tabs being bent in place towards the web.. . ... Usg Interiors Inc

Construction products with an acoustically transparent coating

Provided is a ceiling tile coated on at least one surface with an acoustically transparent coating which creates pores at the tile surface and comprises a high tg polymeric binder, titanium dioxide, and particles selected from the group consisting of void latex particles, hollow glass beads, calcium carbonate, calcium magnesium carbonate, calcined clay and any combination thereof. Compositions for acoustically transparent coatings and methods for making a substrate surface acoustically transparent are provided as well.. ... Usg Interiors Inc

Mobile demonstration device for sound-reducing tiles

An assembly for demonstrating sound transmission properties includes a base portion and a tray portion partially defining a transmission aperture is removably inserted into a portion of the base portion. A first sound-reducing tile having a first sound transmission property is placed in the tray portion and a sound generating device disposed in an interior volume of the base portion emits sound that is attenuated by the first sound-reducing tile as the sound exits the transmission aperture. ... Usg Interiors Inc

Free span ceiling grid system

Components for constructing a ceiling grid across a span free of or with a limited number of suspension wires including main runners with a relatively high moment of inertia secured at their ends with brackets to wall moldings on opposing walls.. . ... Usg Interiors Inc

Trim strip system for use with underhung ceiling panels

In combination, extruded aluminum trim strips joined end-to-end and a splice plate, the trim strips together, the trim strip cross-sections including a web and a pair of opposed angles, the angles and web forming a track for receiving a mid-section of the splice plate with a close sliding fit, the splice plate having lever tabs at opposite ends, notches at sides of the plate, the plate being disposed in the tracks of both lengths of trim strips, the lever tabs and associated edges of the lever tabs formed by the notches being outside of the tracks, the associated edge being arranged in a locking manner with outer surfaces of the angles as a result of the lever tabs being bent in place towards the web.. . ... Usg Interiors Inc

Mineral fiber based ceiling tile

An acoustical tile having a wet laid mineral fiber basemat, a non-woven porous fiberglass veil adhered to the basemat and covered with a light reflecting air permeable coating, at least 90% of the weight of the basemat comprising mineral wool and binder, a weight of the binder being less than 1/11 of the weight of the mineral fiber, the basemat having a density of between about 11.4 and about 14.2 lbs/cubic foot, the mineral fiber having an average diameter of between 4.5 and 8.3 microns, the composite of the basemat, veil and coating exhibiting good nrc and cac performance values.. . ... Usg Interiors Inc

Acoustical ceiling tile

An acoustical tile including: 8 to 25 wt % mineral wool, 9 to 15 wt % starch binder, 9 to 15 wt % cellulosic fiber, wherein preferably the cellulosic fiber is newsprint, and 40 to 65 wt % perlite, wherein the weight ratio of the starch to the cellulosic fiber is 0.6 to 1.3:1; and a process for making the acoustical tile.. . ... Usg Interiors Inc