Sound-Pruf™
Test Data

Acoustical
Material Characteristics

Sound
Transmission
Class (STC)
Assemblies

Sound-Pruf™
Guide
Specifications
Sound-Pruf™______________________
Sound Transmission Class (STC) Assemblies
RAL-TL87-106
RAL-TL87-107
RAL-TL87-108
RAL-TL87-109
RAL-TL87-110
RAL-TL87-111
RAL-TL87-112
RAL-TL87-113
 RAL-TL87-114
RAL-TL87-115
RAL-TL87-116
RAL-TL87-117
RAL-TL87-118
RAL-TL87-119
RAL-TL87-120
RAL-TL96-101
Test # Description STC
RAL-TL87-106 Single wood studs 24" o.c., single layer 1/2" type X gypsum board each side, 1 1/2" Sound-Pruf™ in stud cavities. 45

RAL-TL87-107 Single wood studs 24" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" type X gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 48

 
RAL-TL87-108 Single Steel studs 16" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" type X gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 47

RAL-TL87-109 Single wood studs 16" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 48

RAL-TL87-110 Single steel studs 16" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" type X gypsum board on opposite side, 11/2" Sound-Pruf™ in stud cavities 38

RAL-TL87-111 Single wood studs 16" o.c., Single layer 5/8" type X gypsum board each side, stud cavities filled with Sound-Pruf™. 42

RAL-TL87-112 Single steel studs 16" o.c. Single layer 1/2" type X gypsum board each side 11/2" Sound-Pruf™ in stud cavities. 43

RAL-TL87-113 Single steel studs 16" o.c., Single layer 1/2" type X gypsum board on one side, double layer 1/2" type X gypsum board on opposite side, 11/2" Sound-Pruf™ in stud cavities. 45

RAL-TL87-114 Single wood studs 16" o.c., Single layer 5/8" type X gypsum board on one side, double layer 1/2" type X gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 47

RAL-TL87-115 Floor Panel, single 2" x 10" floor joists 16" o.c., 1/2" waferboard sub-floor, 1/2" particle board main floor, carpet, pad, single layer 5/8" type X gypsum board mounted on resilient channels, 2" Sound-Pruf™ sprayed in joist cavities. 54

RAL-TL87-116 Floor Panel, single 2" x 10" floor joists 16" o.c., 1/2" waferboard sub-floor, 1/2" particle board main floor, carpet, pad, single layer 5/8" type X gypsum board mounted on resilient channels, 1" Sound-Pruf™ sprayed in joist cavities. 45

RAL-TL87-117 Double wall, single layer 1/2" type X gypsum board on each side of single wood studs 24" o.c., 11/2" Sound-Pruf in stud cavities, 1" air gap, single wood studs 24" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" type X gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 61

RAL-TL87-118 Single wood studs 24" o.c., Single layer 1/2" type X gypsum board on one side, single layer 5/8" type X gypsum board on opposite side, stud cavities filled with Sound-Pruf™. 54

RAL-TL87-119 Single wood studs 24" o.c., Single layer 1/2" type X gypsum board on resilient channels on one side, single layer 1/2" type X gypsum board on opposite side, 11/2" Sound-Pruf™ in stud cavities. 52

RAL-TL87-120 Single steel studs 16" o.c., Single layer 5/8" type X gypsum board on one side, single layer 1/2" type X gypsum board mounted on resilient channels on opposite side, stud cavities filled with Sound-Pruf™. 53


Riverbank Acoustical Laboratories - STC results on 1/4" steel panels
 
Thickness
Density
STC

RAL-TL96-101

4"
6 / 12 / 6
 53

RAL-TL96-102

3"
12 / 6
 45

RAL-TL96-103

3"
6 / 12
 52

RAL-TL96-104

0"
N/A
 39
As requested by the client, transmission loss values were calculated at additional test frequencies. Although the measurements were made in accordance with the procedures described in ASTM E90-90, they do not qualify as part of the standard. Since the results are representative of the test environment only, they are unofficial and intended for research and development guidelines rather than for commercial purposes. The data at the additional frequencies were as follows:
Sound Transmission Loss (dB)
Reference Test Number
1/3 Octave Center Frequency (Hz)
50
63
80
6300
8000
10000
RAL-TL96-101
21
23
26
67
69
68
RAL-TL96-102
27
29
30
64
64
60
RAL-TL96-103
28
26
24
66
65
62
RAL-TL96-104
25
24
24
46
48
49



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