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Acousti-Mat® II Sound Ratings
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| 1/4" (6.4 mm) Acousti-Mat II |
Underlayment | Insulation | Ceiling Suspended on Channel |
Floor Coverings | Ceiling Drywall | Rating | Test Numbers | |
|---|---|---|---|---|---|---|---|---|
| 2x10 Wood Joist w/ 5/8" plywood subfloor |
Yes | 1" (25 mm) Maxxon | Yes | Yes | Tile | 5/8" (16 mm) | 53 STC 50 IIC |
100336557CRT-001g 100336557CRT-001k |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Vinyl Planking | 5/8" (16 mm) | 53 IIC | 100336557CRT-001n | |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Floating Wood | 5/8" (16 mm) | 53 IIC | 100336557CRT-001l | |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Vinyl | 5/8" (16 mm) | 52 IICe | 100336557CRT-001m | |
| Parallel Chord Truss 2" x 4" (50 x 102 mm) w/ 3/4" (19 mm) OSB Subfloor |
Yes | 1" (25 mm) Maxxon | Yes | Yes | Vinyl | 5/8" (16 mm) | 61 F-STC 55 F-IIC |
98 67280.7 & .4 |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Ceramic | 5/8" (16 mm) | 56 F-IIC | 98 67280.5 | |
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Precast Concrete |
Yes | 1" (25 mm) Maxxon | Yes | Yes | Ceramic | 5/8" (16 mm) | 59 STC | RAL-TL-98-108 |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Ceramic | 5/8" (16 mm) | 57 IIC | RAL-IN-98-12 | |
| TJI® Joist w/ 3/4" (19 mm) T&G OSB Subfloor |
Yes | 1" (25 mm) Maxxon | Yes | Yes | Vinyl | 5/8" (16 mm) | 53F-IIC | 99 1736.3 |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | None | 5/8" (16 mm) | 56 F-STC | 99 1736.7 | |
| Yes | 1" (25 mm) Maxxon | Yes | Yes | Ceramic | 5/8" (16 mm) | 52 F-IIC | 99 1736.4 | |
| Yes | 1 1/2" (38 mm) Maxxon | Yes | Yes | Ceramic | 2 layers 5/8" (2 x 16 mm) |
52 F-IIC | 48-06-5 | |
| 8" Cast-in-Place Concrete (203 mm) |
Yes | 1" (25 mm) Maxxon | No | No | Armstrong Vinyl | No | 62 F-STC | 18-0-607.2 |
| No | 1" (25 mm) Maxxon | No | No | None | No | 39 F-IIC | 18-0-607.3 | |
| Yes | 1" (25 mm) Maxxon | No | No | Armstrong Vinyl | No | 64 F-IIC | 18-0-607.5 | |
| Yes | 1" (25 mm) Maxxon | No | No | Ceramic Tile | No | 61 F-IIC | 18-0-607.6 | |
| Yes | 1" (25 mm) Maxxon | No | No | Bruce Engineered | No | 60 F-IIC | 18-0-607.7 | |
| Bare Concrete, no Acousti-Mat |
No | 1" (25 mm) Maxxon | No | No | None | No | 39 F-IIC | 18-0-607.3 |
| 8" Cast-in-Place Concrete (203 mm) | Yes | 2 1/2" (63.5 mm) Concrete | No | No | None | No | 55 F-IIC | 03-56381.4 |
| Steel Joists with Corrugated Steel Deck | Yes | 1 9/16" (40 mm) Maxxon | Yes | Yes | None | 5/8" (16mm) | 58 A-STC | ASTC09-0106.01 |
| Yes | 1 9/16" (40 mm) Maxxon | Yes | Yes | Sheet Vinyl | 5/8" (16mm) | 47 F-IIC | FIIC09-0106.03 |
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| Yes | 1 9/16" (40 mm) Maxxon | Yes | Yes | Vinyl Plank | 5/8" (16mm) | 47 F-IIC | FIIC09-0106.02 | |
| Yes | 1 9/16" (40 mm) Maxxon | Yes | Yes | Tile | 5/8" (16mm) | 49 F-IIC | FIIC09-0106.01 |
F-IIC (Field Impact Insulation Class) sound tests were performed in accordance with ASTM E 1007 and E989. F-STC (Field Sound Transmission Class) sound tests were performed in accordance with ASTM E 336 and E 413. Actual tests are available upon request. Maxxon Underlayments and Acousti-Mat II are but two components of an effective sound control system. No sound control system is better than its weakest component. Care must be taken in the installation of components of construction to assure the ultimate designed acoustical performance.