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High Acoustic Core Inserts
Specifications
Dividends Horizon
High Acoustic Core Inserts and Sound
Transmission Septum Inserts
Optional high acoustic core inserts or sound
transmission septum inserts combine with
tiles to provide enhanced acoustics.
High acoustic core inserts can be installed
in monolithic and tiled panels but must be
field-cut to be installed in beltway panels.
Sound transmission septum inserts can
be installed in monolithic and tiled panels
and single-sided beltway panels.
High Acoustic Core Insert
Construction
1 1 / 2" thick, three-ply insert with an inner
septum and outer fiberglass with polywrap.
Sound Transmission Septum
Insert Construction
1
/ 16" thick black asphalt paper.
Core Insert Attachment
High acoustic core inserts and sound
transmission septum inserts are inserted into
the center of the panel frame. Core inserts are
sized to fit into the panel frame without the use
of fasteners. In-field installation is required.
High Acoustic Core Insert Panel
Ratings
Noise Reduction Coefficient (NRC)
rating: .80 when combined with tiles.
Sound Transmission Class (STC) rating:
26 when combined with tiles.
Sound Transmission Septum
Insert Panel Ratings
Noise Reduction Coefficient (NRC)
rating: .60 when combined with tiles.
Sound Transmission Class (STC) rating:
17 when combined with tiles.
Available Sizes
High acoustic core inserts and sound
transmission septum inserts are available
for all widths of 50", 64" and 78"
high monolithic and tiled panels.
Beltway electrical panels require the high
acoustic core inserts or the sound transmission
septum inserts to be field-cut prior to installation.
Packaging
High acoustic cores and sound transmission
septum inserts are shipped in separate containers.
High Acoustic Core Insert
High Acoustic Core Insert Construction
Septum
Fiberglass (2 sides)
High acoustic
core insert
Sound Transmission Septum Insert Construction
Septum
78