GUTEX Thermoflat®

Compression-resistant insulation for flat roofs

  • 100
  • 120
  • 140
  • 160
  • 1230x600 mm

λD (W/mK) 0,040

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  • Thermal insulation of flat roofs constructed from wood, concrete and sheet metal
  • DIN 4108-10: DAA-dh
Technical Data

GUTEX Thermoflat®


  • Compression-resistant
  • Circumferential rebate joints prevent thermal bridging
  • Consistently uniform board dimensions make installation quicker and easier
  • Homogeneous, single-ply construction
  • Provides excellent thermal insulation
  • Superior thermal storage capacity provides outstanding insulation against heat in summer and cold in winter
  • Improves acoustic insulation
  • Regulates humidity and is vapour diffusion permeable
  • Manufactured from wood, a sustainable natural resource
  • Recyclable
  • Biologically safe (natureplus© certified)
  • Made in Germany

Certificates & Test marks

  • np_0104-0604-012-2
  • emas-143-00002-din14001-2009-de
  • epd-ibu-iso14025
  • tuev-12853-iso9001
  • ce-04
Technical Data

Please follow the following instructions carefully:

  • Store and install this product dry.
  • Avoid cross joints.
  • Use a handheld circular saw or insulation saw (e.g. FESTOOL reciprocating saw) with vacuum attachment.
  • Vacuum off the dust in accordance with applicable workplace safety regulations or practices.
  • Substrate must be dry, even and technically sound.
  • The structure in which the insulation is installed must have adequate moisture protection to prevent the insulation from dampness.
  • Avoid exposing the boards to direct wind force (especially suction) during installation.
  • During installation, be sure to protect the insulating boards against the wind before they are fastened permanently. 
  • Only the edges have to be fastened on gravel roofs and roofs with patios.
  • For the choice of fastening technique, consult the roofing material manufacturer.

GUTEX Thermoflat®

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