Underlayment Sound Ratings — Tested Assemblies
| Sound Ratings - Tested Assemblies | Underlayment | Insulation | Ceiling Susp. on Chan. | Ceiling Drywall | Floor Coverings Floor erings | Ratings | Test Numbers |
| Wood Joist w/ 5/8" (16 mm) plywood subfloor, 2" x 10" (51 mm - 254 mm) joists |
3/4" (19 mm) 3/4" (19 mm) 1" (25 mm) 3/4" (19 mm) 3/4" (19 mm) 1" (25 mm) 1-3/8" (35 mm) 3/4" (19 mm) 1-3/8" (35 mm) 1-3/8" (35 mm) |
Yes No No Yes No No Yes No Yes Yes |
Yes Yes No Yes Yes No Yes Yes Yes Yes |
1/2" (13 mm) 1/2" (13 mm) 1/2" (13 mm) 5/8" (16 mm) 5/8" (16 mm) 1/2" (13 mm) 1/2" (13 mm) 1/2" (13 mm) 1/2" (13 mm) 1/2" (13 mm) |
None None None Carpet and Pad Carpet and Pad Carpet and Pad Foam-Back Parquet Cushioned Vinyl Vinyl Composition Tile Vinyl |
60-STC 58-STC 50-STC 79-IIC 75-IIC 56-IIC 55-IIC 50-IIC 51-IIC 51-IIC |
TL81-16 TL81-17 TL81-19 5-761-2 5-761-4 IN81-6 IN81-11 IN81-3 IN81-13 IN81-14 |
| Wood Joist w/ 3/4" (19 mm) OSB subfloor, 2" x 10" (51 mm - 254 mm) joists |
3/4" (19 mm) | Yes | Yes | 5/8" (16 mm) | Wood Flooring | 53-FIIC | 90-0156.2 |
| TJL® Truss with 5/8" (19 mm) plywood subfloor |
3/4" (19 mm) 3/4" (19 mm) 1" (25 mm) 1" (25 mm) |
No No No No |
Yes Yes No No |
5/8" (16 mm) 5/8" (16 mm) 5/8" (16 mm) 5/8" (16 mm) |
None Cushioned Vinyl None Cushioned Vinyl |
62-FSTC 61-IIC 51-FSTC 52-IIC |
5-905 5-905-2 5-905-1 5-905-3 |
| TJI® Joist with 3/4" (19 mm) T&G OSB subfloor |
3/4" (19 mm) 3/4" (19 mm) 3/4" (19 mm) 3/4" (19 mm) |
Yes Yes Yes Yes |
Yes Yes Yes Yes |
5/8" (16 mm), 2 layers 5/8" (16 mm), 2 layers 5/8" (16 mm), 2 layers 5/8" (16 mm), 2 layers |
None Cushioned Vinyl Cushioned Vinyl Cushioned Vinyl |
58-STC 54-IIC 50-IIC 51-IIC |
TL96-250 IN96-28 IN96-30 IN96-29 |
| Truss Plate Institute with 3/4" (19 mm) T&G plywood subfloor |
3/4" (19 mm) 3/4" (19 mm) 3/4" (19 mm) |
Yes (blown-in) Yes (blown-in) Yes (blown-in) |
Yes Yes Yes |
5/8" (16 mm) 5/8" (16 mm) 5/8" (16 mm) |
Vinyl Vinyl Ceramic |
57-FSTC 50-FIIC 46-FIIC |
98.67280.10 |
| Precast Concrete | 1/2" (13 mm) 1/2" (13 mm) 1/2" (13 mm) |
No No No |
No No No |
No No No |
None Cushioned Vinyl Direct Glued Carpet |
58-FSTC 66-IIC 75-IIC |
5-896 5-896-1 5-896-2 |
| Metal Joist 9 1/2" (247 mm) w/ 3/4" (19mm) T&G OSB subfloor |
3/4" (19 mm) 3/4" (19 mm) 3/4" (19 mm) |
Yes |
Yes |
5/8" (16 mm) 5/8" (16 mm) 5/8" (16 mm) |
Vinyl Carpet and Pad Carpet and Pad |
49-FIIC 51-FSTC 73-FIIC |
94-2278 94-2168.1 94-2168.2 |
SpaceJoist® Metal Web Truss |
3/4" (19 mm) |
Yes |
Yes |
5/8" (16 mm) |
Vinyl |
51-FIIC
|
51210-4 |