Acousti-Mat® II Sound Ratings
| Sound Tests | ||||||||
| 1/4" (6.4 mm) Acousti-Mat II | Underlayment | Batt Insulation | Ceiling Susp. on Channel | Floor Coverings | Ceiling Drywall | Ratings | Test Numbers | |
| Parallel Chord Truss | Yes | 1" (25 mm) |
Yes (blown-in) |
Yes | Vinyl | 5/8" (16 mm) |
61 F-STC 55 F-IIC |
98 67280.7 & .4 |
| Yes | 1" (25 mm) |
Yes (blown-in) |
Yes | Ceramic | 5/8" (16 mm) |
56 F-IIC | 3018 98 67280.5 |
|
|
Precast Concrete |
Yes | 1" (25 mm) |
Yes (batt) |
Yes | Ceramic | 5/8" (16 mm) |
59 STC | RAL-TL-98-108 |
| Yes | 1" (25 mm) |
Yes (batt) |
Yes | Ceramic | 5/8" (16 mm) |
57 IIC | RAL-IN-98-12 | |
|
TJI® Joist |
Yes | 1" (25 mm) |
Yes (batt) |
Yes | Vinyl | 5/8" (16 mm) |
53F-IIC | 99 1736.3 |
| Yes | 1" (25 mm) |
Yes (batt) |
Yes | None | 5/8" (16 mm) |
56 F-STC | 99 1736.7 | |
| Yes | 1" (25 mm) |
Yes (batt) |
Yes | Ceramic | 5/8" (16 mm) |
52 F-IIC | 99 1736.4 | |
| Yes | 1 1/4" (31.75 mm) |
Yes (batt) |
Yes | Ceramic | 2 layers of 5/8" (16 mm) |
52 F-IIC | 48-06.5 | |
|
8" Cast-in-Place Concrete |
Yes | 1" (25 mm) |
No | No | Armstrong Vinyl | No | 62 F-STC | 18-0-607.2 |
| Yes | 1" (25 mm) |
No | No | Armstrong Vinyl | No | 64 F-IIC | 18-0-607.5 | |
| Yes | 1" (25 mm) |
No | No | Ceramic Tile | No | 61 F-IIC | 18-0-607.6 | |
| Yes | 1" (25 mm) |
No | No | Bruce Engineered | No | 60 F-IIC | 18-0-607.7 | |
| Yes | 2 1/2" (64 mm) |
No | No | Maxxon ColorKote | No | 56 F-IIC | 03-56381.3 | |
| Yes | 2 1/2" (64 mm) |
No | No | None | No | 55 F-IIC | 03-56381.4 | |
|
8" Cast-in-Place Concrete Bare Floor, no Acousti-Mat |
No | 1" (25 mm) |
No | No | None | No | 39 F-IIC | 18-0-607.3 |
| Nascor NJ10 I-Joists | Yes | 1" (25 mm) |
Yes (batt) |
Yes | 2 Layer 1/2" | Vinyl | 56 IIC | J20042169-27A |
| Yes | 1" (25 mm) |
Yes (batt) |
Yes | 2 Layer 1/2" | Ceramic | 55 IIC | J20042169-017A-02 | |
| Yes | 1" (25 mm) |
Yes (batt) |
Yes | 2 Layer 1/2" | Ceramic | 54 IIC | J20042169-17B | |