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Level-Right® Level-Right® Cementitious Underlayments can level any floor challenge. |
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Acousti-Mat® 3 Sound Ratings
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| Floor System | Underlayment | Insulation | Ceiling Susp. on Chan. | Ceiling Drywall | Floor Coverings | Rating | Test Numbers |
|---|---|---|---|---|---|---|---|
| Acousti-Mat 3 over Open Beam |
1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* |
None None None |
No No No |
No No No |
Vinyl Wood Floating Floor None |
46 F-IIC 52 F-IIC 47 F-STC |
02 31573.3 02 31573.4 02 31573.6 |
| Bare Floor over Open Beam (control) | None | None | No | No | None | 33 F-IIC 30 F-STC |
02 31573.5 02 31573.7 |
| Acousti-Mat 3 over
8" Cast-in-Place Concrete (203 mm) |
2" (51 mm) Maxxon* |
None |
No |
No |
None |
65 F-IIC |
03 56381.6 |
| Bare Concrete, no Acousti-Mat (control) |
None | None | No | No | None | 36 F-IIC | 03 56381.1 |
| Steel Joist
12" Deep (305 mm) w/ 3/4" (19 mm) T&G plywood subfloor |
1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* |
Yes Yes Yes |
Yes Yes Yes |
5/8" (16 mm) 5/8" (16 mm) 5/8" (16 mm) |
Ceramic Tile Vinyl Wood |
57 F-IIC 57 F-IIC 58 F-IIC |
04-22-1 04-22-2 04-22-3 |
| TJI® Joist w/ 3/4" (19mm) T&G OSB Subfloor |
1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* |
Yes Yes |
Yes Yes |
2 layers 5/8" (2 x 16 mm) 2 layers 5/8" (2 x 16 mm) |
Ceramic Tile Ceramic Tile |
58 F-IIC 59 F-STC |
48-06-03 48-06-04 |
| 20" Open Web Truss w/ 3/4" (19mm) plywood subfloor | 1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* 1-1/2" (38 mm) Maxxon* |
Yes Yes Yes Yes |
Yes Yes Yes Yes |
2 layers 5/8" (2 x 16 mm) 2 layers 5/8" (2 x 16 mm) 2 layers 5/8" (2 x 16 mm) 2 layers 5/8" (2 x 16 mm) |
Ceramic Tile Carpet and Pad Hardwood None |
63 F-IIC 89 F-IIC 59 F-IIC 59 F-STC |
R05200 |
*Approved Maxxon Underlayment
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.