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Monday, July 28, 2014

I Can't Hear You..... (July 25)

UAS FH Construction Update for 7/25/2014

I Can’t Hear You (July 25)

And that is a good thing, when you are sharing living quarters with 100 other UAS Freshmen. 

The Design Team for the UAS Freshman Housing project included an Sound Engineer, whose job it was to include components in the building that help keep the sound from transmitting through the building. 

WoodTrends Topline Acoustical Wood planks are one of those components.  These planks are constructed form a soft fibrous material with a brown cheery wood veneer.  The planks are then cut into an overlapping sound catching pattern.  The end result is a good looking wood panel that has a NRC, Noise Reduction Coefficient, value of 0.75.   

Check out their website at

                       Topline Acoustical Wood Plank Section.

Ac Tile 1





                                                     Topline Acoustical Wood Plank

Ac Tile 4



The Contractor had scaffolding and large work platform for the workers to install these Acoustical Planks.  You could not see them up there on the platform working, but you could hear them.  It was neat to hear the noise level go down each day as they put more of these Acoustical Planks up.

Work Platform for Contractor installing Ceiling Tile

Work Platform



Ceiling of the Commons area and Classroom/Conference room.

Ceiling Tile



 Additional Layers of Gypsum Board is another component that the design team has used to prevent sound transmission.  The fire code requires two layers of gypsum board in specific areas to provide a greater fire protection between two types of spaces, like the stairwell and the hall way.  (See Update April 25)   The design team added a second layer of gypsum board in additional places like the bedroom/bathroom walls for more sound insulation, even though it is not required by the fire code.    The Design Team also used a clip and cross bar mounting system behind they gypsum board. This reduces the connection points that sound can transmit from the gypsum board surface and into the metal stud walls.

Sound Clip Mounting System:

Clip System



Concrete floors are another very effective component for preventing sound migration between floors.  This large concrete solid mass absorbs the sound and prevents it from transmitting to the floor below.  The Laundry Room is on the second floor and has a concrete floor that is twice as thick as everywhere else so sound in the laundry room stays in the laundry room.

                                                         Concrete Floors

Concrete Floors



Sound is like a two-year old’s finger, it will find and penetrate any small opening.  Therefore, one last component the Design Team has used to prevent sound migration is to minimize all openings in walls, floors and ceilings.   Penetrations are then sealed with drywall plaster or fire foam.

Wall penetration sealed with fire foam

Wall Penetrations




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