Natural Cork Underlayment – Roll
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- Description
- Specifications
- For use with ceramic and porcelain tile, stone, marble, engineered hardwood and laminate floors
- Crack isolation membrane that resists the transfer of stress cracks from subfloor through to flooring surfaces
- Acoustical sound control under ceramic tile and stone for less sound transfer throughout the room
- Easy to install in both glue-down and loose-lay configurations
- For best results, install with ROBERTS Cork Adhesive and ROBERTS Seam Tape
- Green product constructed of natural cork, a renewable resource
- Reduces thermal transmission, increasing the effectiveness of floor heating systems
- IIC rating of 51 when installed with 6" cement slab and 61 when installed with 6" cement slab and suspended ceiling
- STC rating of 52 when installed with 6" cement slab and 60 when installed with 6" cement slab and suspended ceiling
- MR 4.1 - 5% Recycled Content of total building materials (post consumer + ½ of post industrial)
- MR 4.2 - 10% Recycled Content of total building materials (post consumer + ½ of post industrial)
- MR 6 - Specifying rapidly renewable building materials for 5% of total building materials
- EQ 4.1 - Low Emitting Materials Adhesives & Sealants (Adhesives Specified meet SCAQMD Rule 1168)
- 200 sq. ft. roll measuring 48 in. x 50 ft.
- For use with on and above grade floors only
Data SheetSound Ratings
Test Results |
IIC Rating |
STC Rating |
Δ Rating* |
|---|---|---|---|
| 72000Q – with 6" cement slab | 51 | 52 | 22 |
| 72000Q – with 6" cement slab & suspended ceiling | 61 | 60 | 22 |
| 72003Q – with 6" cement slab | 51 | 52 | 22 |
