isoMAX, the standard in circular insulating glass

We are proud to be the first glass company in the world to produce circular insulating glass. This fulfills a long-held dream for professionals, institutions and organizations working to make them more sustainable.

isoMAX is available to anyone who wants to deploy circular insulating glass.

We supply: housing associations, property managers, glass companies, contractors, government, businesses, glaziers, insurers, owners' associations and individuals, among others.

Circular glass? This is isoMAX!

Assortment of circular glass

We sell isoMAX in different types and compositions. View the assortment we offer here.


Glass harvesting

Of course, to complete the circle, old glass is needed. We will pick it up!


Why circular glass?

Glass is a great product. It has a lot of advantages. In addition to those benefits, there are some...


isoMAX has the same quality as new glass but reduces the CO2 impact by 95%

isoMAX circular insulating glass meets all quality standards and technical requirements. It has a CE mark and meets the NEN-EN 1279 standard. Independent parties validate the quality.

NEN-EN 1279

Quality assessment as per traditionally produced insulating glass

10-year warranty

isoMAX glazing offers a 10-year guarantee against leakage and blind attack

CE marking

isoMAX insulation glass is produced under CE quality mark


isoMAX was developed and validated with the help of HvA and Tu Delft

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These companies and organizations are already using isoMAX

Want to see with your own eyes? Come along for a product presentation

Would you like to learn more about isoMAX circular glass and see how the production process works? We welcome you for a comprehensive product presentation and tour of our factory in Hilversum.

National environmental database

isoMAX Circutherm in the National Environmental Database!

Great news for sustainable construction! isoMAX Circutherm is now recognized in the National Environmental Database. isoMAX the choice for future-proof construction. Download the life cycle analysis right now.