Contact: Maureen Gibson
Phone: (718)-430-4524
Fax: (718)-430-4510
E-Mail: mgibson@industrialacoustics.com
June 8, 2009
IAC develops NEW super-size-me Dual-Swing Noise-Lock Door
 When a college required an extra-wide STC55 performance acoustic door for its new multimedia studio, IAC America’s R&D teams developed the brand new Dual Swing Noise-Lock Door. IAC America is a leader in the design of acoustic doors for the construction industry. IAC doors are preferred by architects and building designers USA-wide.
IAC’s line of Noise-Lock doors recently learned a new song. The main recording room of a new studio at the Honolulu Community College required a door with STC55 performance but with a double-wide 6’0” x 7’0” clear opening, to allow oversize musical instruments and equipment access to the recording area. However, the floor layout did not favor the typical IAC double-leaf swing door.
 The architect initially specified a sliding glass door, eliminating swinging door leaves altogether. But a sliding glass door would have been a new IAC product and, having no laboratory data for such a door, we would have been unable to guarantee STC55 performance at the outset of the project. The customer was working to a tight schedule and even tighter budget so could not risk falling short of acoustic requirements, or incurring the laboratory costs of testing a new product.
To solve the problem, IAC developed a ‘new’ dual-swing Noise-Lock door: our standard Noise-Lock design with laboratory-proven acoustic performance, but modified to permit the oversize access of a double door with only one hinged side.
Craig D’Anna is Acoustic Doors Manager. “We were able to guarantee the acoustic performance because the STC55 dual-swing door is identical in design to the IAC Noise-Lock STC55 double door when it’s closed. The active leaf swing direction is reversed, and its hinges are fixed to the inactive leaf astragal edge, instead of the frame. When full clear opening is desired, the active leaf opens to a full 180 degrees, attaching to the door holder on the inactive leaf, and both leaves open as a single unit. It was good to be able to develop such an effective solution to the challenge.”
The new STC55 Noise-Lock door with dual hinge configuration was installed in the Honolulu Community College studio in July. It delivered proven IAC acoustic performance while accommodating this special customer design intent.
IAC is the global leader in sound control access systems for every application and acoustic performance rating. For the complete line of noise-lock multi-leaf designs visit www.industrialacoustics.com or contact Craig D’Anna at 718-931-8000.
ENDS
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