FOAMGLAS® INVATHERM™ is a non-combustible thermal insulation suitable for all types of inverted flat roofs. It offers a Euroclass A1 rating (tested to EN 13501-1) and is a highly durable product with an excellent compressive strength.

100-200 mm
600x450 mm
100 kg/m³
Compressive strength
≥ 400 kPa

The non-toxic cellular glass insulation is manufactured using a minimum of 60% recycled glass. The closed cell material is safe and highly durable. FOAMGLAS® INVATHERM™ can be used on all types of inverted roof construction, from those where only maintenance access is required, to balconies or terraces where high levels of pedestrian traffic are anticipated.


Inverted roof systems
- Terraces
- Balconies
- Flat roofing

Wondering how it works ?

In this one minute video you can see how an inverted roof is build up with FOAMGLAS® INVATHERM™.
Watch now!

Convinced of the qualities but you want to see and feel FOAMGLAS® INVATHERM™ first hand?
Then, click on the button below to request a sample!