Target group

This information is intended for producers of construction elements, fitters and retrofitters.

Producers of construction elements are considered to be all those who perform the following activities:

• fabricate SIEGENIA products in window elements or door elements
• fabricate KFV products in door elements

Fitters and retrofitters include all persons who carry out the following activities:

• KFV install and repair products in a building project
• install and repair door elements that are equipped with KFV products in a building project
• retrofit window elements or door elements with SIEGENIA products
• retrofit door elements with KFV products