J.A. Brown Co., Inc. - Conshohocken, PA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor & rep. of sound-rated doors are factory hung & assembled. STC 47-64, fire rated, wood veneer. Acoustical windows. For studios, theaters, equipment rooms.
Brand Names: IAC, Ind. Acoustics Co., Novawall
www.jabrowninc.com/products.html

BRD Noise & Vibration Control, Inc. - Wind Gap, PA
Distributor, Manufacturer, Manufacturers' Rep, Service Company
Manufacturer of acoustical doors. Acoustical doors are made from metal or wood & have STC ratings from 42 to 63. Door assemblies include doors, frame, threshold, seals, hinges, closures & variety of hardware options. Single, double, sliding, hinged, bi-folding & pneumatically controlled designs are available. Custom designs are also available. Applications include engine test cells, broadcast/recording studios, auditoriums, industrial & manufacturing plants, federal & military applications, conference rooms, sports complexes, radio stations, utilities & power plants, environmental test chambers, entertainment facilities, sliding & retractable area dividers & aircrafts.
Brand Names: Hush Swing

American Micro Industries, Inc. - Chambersburg, PA
Distributor, Manufacturer, Custom Manufacturer
Veteran-owned manufacturer & distributor of acoustical doors. Acoustical doors are available in dimensions ranging from 4 ft. L x 8 ft. W to 36 ft. L x 80 ft. W. Acoustical doors are made of 1/2 lb. to 2 lbs. mass loaded vinyl barrier & 1/2 in. to 1 in. foam with peel & stick backing. Soundproof doors can be applied in pieces on existing doors with multiple windows, openings, latches & handles. Custom door sizes available on order. Applications include commercial, industrial & residential. Shipped within 24 to 72 hours.

Stanford Associates, Inc. - Fallsington, PA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor & installer of custom industrial acoustical doors for manufacturing plants & OEM applications. Noise enclosures for ball mills, glass tempering lines, boiler feed-water pumps, foundry shake-outs, operator pulpits, water-jets, printing press folders, high-pressure blowers & applications where an enclosure is the best solution. Industrial silencers for incinerator exhausts, intake & exhaust cooling air for diesel generator units, laboratory hood exhausts, large hp TEFC motors, baghouse exhaust stacks, high-pressure blower intakes & exhausts & applications where silencers are applicable. Acoustical barriers for cooling towers, HVAC condensers, chillers & outdoor applications. Noise control curtains for punch presses, HVAC chillers, boiler feed-water pumps & shaker test stands.

D & D Sound Control - Roaring Branch, PA
Manufacturer, Custom Manufacturer
Custom manufacturer of acoustical doors. Door specifications include 18 ga. galvaneal soundproof room divider with an outer skin painted with enamel paint.