Technical Background Information
Although nowadays all laminate floors and over two thirds of all multi-layer parquet floors are installed using the floating installation method, in practice there is uncertainty as to which underlay should be used. Where underfloor heating has been installed, this means the choice of possible products has already been narrowed down. A further main criterion that should be given equal consideration is the acoustic insulation figure needing to be reduced. A distinction must be made here however as to whether impact sound insulation (transmission of sound to adjacent rooms or rooms underneath) is to be given greater priority or footfall sound insulation (the sound that is generated in the room itself: click-clack effect). Compensating for unevenness is another important issue, as not all floors are laid on subfloors that are “ready for laying”. Mechanical stress should equally be taken into consideration since “soft” underlay demonstrates different characteristics to “hard” underlay. Finally the durability of the chosen material should be clarified. You will find a clearly listed comparison of these important features for all the products so that you can compare this multitude of characteristics.
The consistently high quality is the feature distinguishing each of the ewifoam® products. What is more we work constantly on further developments and innovations that will help our customers to acquire that crucial competitive edge in the market. Where research and development are concerned, new materials and designs are tested on an ongoing basis, with the main focus being on optimising acoustic properties as well as the durability. Cosiness, comfort in the home and quiet are points that the consumer attaches the most importance to. In the Professional line ewifoam® provides a comprehensive range of highly effective products which considerably reduce footfall sound, which is perceived to be so irritating.
| EFFECT |
Impact sound Insulation |
Footfall sound insulation |
Durability |
Resistance to pressure marks |
Compensates for unevenness |
Suitable for under- floor heating |
Thermal insulation |
|---|---|---|---|---|---|---|---|
| PROPERTY | |||||||
| Material thickness | + | O | O | – | + | – | + |
|
Material density / Mass per unit area | O | + | + | + | O | + | - |
| Cushioning | + | - | O | – | + | O | O |
| Elasticity / Hardness | O | + | + | + | O | O | O |
| Degree of damping | O | + | O | O | O | O | O |
|
Retractive force / long-term resilience | O | O | + | + | O | O | O |
„+“ = positive, parallel connection
„O“ = no or little connection
„-“ = negative, opposite connection
Further