THE WORLD’S BEST-SELLING ELECTRIC UNDERFLOOR HEATING BRAND™
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Insulated Underlay Technical Specifications (WIU)
| Composition: Top Layer | Grooved polystyrene |
|---|---|
| Composition: Bottom Layer | Silver foil with adhesive overlap |
| Rm Value | 0.19 |
| Contact Sound Reduction* | 25dB ΔLw when used in conjunction with Warmup Dual Overlay. |
* In case of floating substrate systems the sound reduction of the finished floor covering will always depend on the impact sound reduction of the existing substrate.