Only a 100 % seal is completely sealed. That´s why we keep a close eye on the details during procduction of our corners and sleeves.

Matched to the various spacers and different probes the gas can be filled via a sleeve or corner.

We offer gas fill corners with and without drill hole for frames made using corner keys. On the CERA® sleeve a precisely matched groove ensures an exact snap-fit into the profile frame. Whether sleeve or corner key - an absolutely secure closure with a corresponding predeterminded breaking point ensures a perfactly clean seal.

• Simple and rapid gas filling via the special gas fill corner or sleeve
• Highest level on safety during gas filling thanks to the optimized CERA® plug