Specification

This report contains seven (7) pages. Any additions to, alterations of, or unauthorized
use of excerpts from this report are expressly forbidden.
USG Corporate Innovation Center, 700 N. Highway 45, Libertyville, IL 60048
Page 3 of 7
8. TEST SPECIMEN
The test specimen was designated by the client as KINA red low density wall panel.
The test specimen consisted of sixteen (16) full size panels each measuring 31.8
mm (1 1/4 in.) thick by 610 mm (24 in.) wide by 610 (24 in.) long panels to complete
the test area. The panels consisted of fiberglass insulation core and a fabric face
wrapped about sides to the back of the panel. The panel had square edges and were
butted together to form the specimen. Total weight of the specimen was 17.3 kg
(38.0 lbs.). The total weight of the specimen as measured was 17.3 kg (38.0 lbs) an
average of 2.88 kg/m² (0.59 lbs/ft²). The absorption area used in the calculations
was 6.0 m² (64.5 ft²). Additional details and photos regarding the test specimen and
environmental conditions are provided in the appendix. .
9. TEST SPECIMEN CONSTRUCTION
All specimens were prepared and installed by USG staff.
10. TEST SPECIMEN CONDITIONING
The test specimens were conditioned in the laboratory prior to testing. Average
environmental conditions of the lab are 65 degrees F and 50 % RH.
11. TEST SETUP
The sample was placed directly on the floor of the laboratory’s reverberation room
with the perforations facing the sound source (up). Type A mounting: The sample
was placed directly on the floor of the 200.6 m
3
(7083 ft
3
) reverberation chamber.
12. TEST PROCEDURE
The measurements reported below were made with all facilities and procedures in
explicit conformity with the ASTM Designations C423-17 and E795-16, as well as
other pertinent standards. The USG Acoustical Testing Facility has been accredited
by the U.S. Department of Commerce, National Institute of Standards and
Technology (NIST) under the National Voluntary Laboratory Accreditation Program
(NVLAP) for this test procedure (NVLAP Lab Code: 200132-0). A full description of
the measurement procedure is available separately.
13. TEST RESULTS
Summary of Test Results
Test Number
Specimen
NRC
NRC-220302
KINA red low density wall panels
0.85