BauderGLAS Inverted Insulation

BauderGLAS Inverted Insulation is a non-combustible flatboard inverted insulation with a pre-applied inorganic coating which both achieve a Euroclass A1 rating. It has been designed for use within inverted roof situations on concrete, plywood or timber decks. It is most suited to balconies and terrace applications, and can be used on podiums, under lightweight green roofs such as extensive, biodiverse or brown roofs, or in areas requiring a non-combustible inverted insulation option. The system is complimented by a BauderGLAS Inverted Upstand Insulation option for use in exposed upstand situations requiring a Euroclass A1 rating.


  • Non-combustible
  • High compressive strength 
  • Environmentally friendly 
  • Thermally efficient 
  • Dimensionally stable
  • Acid and chemical resistant 

Installation techniques

The flatness and the general conditions of the substrate are important criteria when using  BauderGLAS Inverted Insulation. Under a straight (reference) length of 2m, the uneveness should be less than 5mm or 3mm under a straight (reference) length of 0.6m. 

Adequate measurements need to be taken during installation to prevent any damage of the insulation top coating. Point loads need to be avoided at all times during the installation and specifically when installing the Bauder JFRI WFRL, Bauder Drainage Membranes, Ballast, Paving, and Green Roof Systems. Load spreading plates such as those used in paving pedestals, air handling unit supports should be as required by Bauder specification. Ballast such as gravel or paving should meet local regulations for wind uplift. 

Product Datasheet

Technical Data

DOWNLOADS BauderGLAS Inverted Insulation Product Datasheet »
BauderGLAS Inverted Upstand Insulation Product Datasheet »
Length 600mm
Width 450mm
Board coverage 1.44m2
Single thickness  50, 100, 140, 160, 180 & 200mm
Nominal weight 100kg/m3
Design thermal conductivity 0.043 W/mK
Compressive strength - EN 826 Annexe A CS ≥400
Reaction to fire Euroclass A1
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