Floor Style |
Section / Construction |
Definitions |
STC 55 |
IIC 55 |
TMR 50 |
Truss 1 |
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|
48 |
40 |
43 |
- 5/8" tongue and groove plywood
- 10" deep wood trusses
- 2 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- 1 layer of 5/8" drywall
|

|
50 |
66 |
55 |
- 5/8" tongue and groove plywood
- 10" deep wood trusses
- 2 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- carpet and underpad
- 1 layer of 5/8" drywall
|

|
60 |
52 |
51 |
- 5/8" tongue and groove plywood
- 10" deep wood trusses
- 2 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- 1/2" concrete on 1" high-density glass fiber board
- 1 layer of 5/8" drywall
|
Truss 2 |

|
55 |
48 |
37 |
- 5/8" tongue and groove plywood
- 12" deep wood trusses
- 3 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- 1 layer of 5/8" drywall
|
Truss 2 Cont'd |
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|
56 |
72 |
54 |
- 5/8" tongue and groove plywood
- 12" deep wood trusses
- 3 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- carpet and underpad
- 1 layer of 5/8" drywall
|

|
62 |
59 |
55 |
- 5/8" tongue and groove plywood
- 12" deep wood trusses
- 3 layers of glass fiber batts
- 1/2" resilient metal channels on 24" o.c.
- 1/2" concrete on 1" high-density glass fiber board
- 1 layer of 5/8" drywall
|