Envoy Pro is a very diverse, high quality underlay with high impact sound insulation for all floating wooden floors. This underlay, based on unique polypropylene foam, meets the highest standards and is especially designed for demanding applications. Envoy Pro is durable and resilient, offering an excellent resistance to high surface loads. Nevertheless the product is very lightweight and always lies flat.

Excellent when fast and easy installation is an important factor. Envoy Pro contains an integrated vapour barrier and self-adhesive overlap. There is no additional vapour barrier necessary, saving time and money during installation. Envoy Pro is a high performance, all-in-one product combining good levelling properties, easy installation, a superior water vapour barrier and excellent acoustic insulation in one single product.










  • Excellent impact sound reduction
  • Drum sound improvement
  • Light, strong and flexible
  • Superior barrier properties
  • 100% ldpe product, fully recyclable
  • Polypropylene foam can withstand high weight surface loads
  • Easy to handle and install
  • Smooths irregular surface

Technical specs

recyclable 100% recyclable Pro - non cross-linked
impactsoundreduction Impact sound reduction ΔL20dB
watervapourbarrier Water vapour barrier 134 m
thickness Thickness & comfortabiliy 4,5 mm
thermalresistance Thermal resistance 0,13 m2 K/W
compressivestrength Compressive strength 30 kPa