Überwachungsgemeinschaft Konstruktionsvollholz e.V. periodically publishes information brochures. It is the joint author, together with Holzbau Deutschland, of the agreements on KVH® structural timber and Duobalken®/Triobalken® beams and, jointly with the Studiengemeinschaft Holzleimbau e.V., holds the product approval for Duobalken®/Triobalken® beams. You can download all the aforementioned publications here.