| 摘要 |
An easy-to-install flooring underlayment 10 with improved tear resistance an d tensile properties is disclosed. The flooring underlayment 10 has a first layer 12 a nd a second layer 14 with a plurality of cell-like openings 20. A plurality of the cell-like openings 20 have a surface opening or a cross-sectional area (A) of at least 2.5 mm2. Both the first an d second layers 12, 14 may be made of polymeric materials, and the second layer 14 may be in contac t with the first layer 12, connected to the first layer 12, integral with the first layer 12, or embedded in the first layer 12. |
