Solflex underlay films (underfloor heating / parquet flooring)
Comfort
Comfort
An additional layer for improved performance
Heat
Heat
A heat-reflective solution for underfloor heating
Confirmed
Confirmed
Based on the manufacturer’s performance declaration
Floor
Floor
Underlay layer designed to be integrated into the floor structure

Solflex underlay films (underfloor heating / parquet flooring)

Solflex underlay films are designed to act as an additional layer within the floor structure, helping to ensure more comfortable performance. The product range includes heat-reflective underlay films designed for underfloor heating, as well as underlay solutions recommended for use under parquet flooring.

Underlay film for underfloor heating

According to the manufacturer’s declaration of performance, it is specifically designated as a ‘heat-reflective underlay film for underfloor heating’. The data in the document specify not only the mechanical properties but also the vapour and thermal properties (such as thermal resistance).

Solflex underlay films (underfloor heating / parquet flooring)
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Technical specifications

Products

  • Solflex Underlay Film for Underfloor Heating
  • Solflex Parquet Underlay Film

Underlay film for underfloor heating – example data

  • Intended use: heat-reflective foil for use under underfloor heating
  • thermal resistance: 0.0876 m²K/W (±5%)
  • Water vapour permeability: 1.97×10⁻² mg/(m²·h·Pa) (±15%)
  • grams per square metre: 140 g/m² (±10%)
  • fire safety class: F

Mechanical properties (examples)

  • tensile strength (length/cross-section)
  • elongation at break (lengthwise/transverse)
  • breaking force
  • dimensional change due to heat