Natural Cork Underlayment Sheets
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Roberts Natural Cork Underlayment products may contribute towards satisfying credits under the LEED® Green Building Program. For more information and all Acoustical Performance Ratings, see Product Data Sheet.
Data Sheet
| Coverage: | 6 square feet (0.6 square meters) per sheet 300 square feet (27.9 square meters) per case |
| Single Sheet: | 2' x 3' (0.6 x 0.9m) |
| Sheets per Case: | 50 |
| Thickness per Sheet: | 1/4" (6 mm) |
| Sound Ratings*: | IIC 51 / STC 52 |
| Sound Ratings**: | IIC 61 / STC 60 |
*Testing performed with 6" (15cm) cement slab.
**Testing performed with 6" (15cm) cement slab and suspended ceiling.
IIC and STC tests measure sound transference from an upper level room to a lower level room. The IIC measures sound such as moving furniture and walking, while the STC measures sound such as voices and television. Minimum sound rating required by most building codes and architects is 50.
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