Fast, easy and clean feed-through solutions


For the flashing of HVAC pipes, façade penetrations (such as canopy supports), lighting and signage penetrations that are led through the inner and outer structures of the building.

DOUBLE COLLAR A two-part feedthrough collar

The Double Collar is retrofitted.

The two-part model is easy and fast to install due to its hook seam.

SOLO COLLAR A one-part feedthough collar

It is installed above the feedthrough of the pipe.


Mechanical screwing or gluing. We manufacture the collars tailored to the customer’s needs, both round and rectangular.