The JETgroup and Greschalux are specialists for the building of constructions for natural lighting, daily ventilation and smoke and heat exhaust extraction systems. The recognition of the used materials guarantees you safety in every situation.

For over 40 years now we have been in the business of making the world safer. Our aim has always been to find intelligent solutions and to fulfil our customers’ wishes, which is why we now hold a leading position in the industry.