Quick conversion to “Kubus”

therma Fensterbau produces design windows with invisible sash in Bobengrün

Corner strength at the highest level - that’s the claim of therma Fensterbau GmbH producing high quality windows and doors in Bad Steben/Bobengrün (Franconian Forst), Weidenberg (Fichtel Mountains) and Tanna (Thuringia).

For 40 years now, this company has had faith in Urban GmbH & Co. to be their partner for machinery and with their latest investment in Tanna and Bobengrün, they rely again on the Memmingen based specialist. “Right from the beginning we are an Urban customer and once you are with Urban you will stay with Urban”, says Andrew Horn, production manager for both therma plants in Tanna and Bobengrün.

Already in the past, the machinery supplier from the Allgaeu turned out to be a reliable partner for challenging tasks such as machining of the popular acrylcolor windows. “For corner machining there are no compromises allowed;the result must be perfect without any reworking” says Horn who will now take a chance together with Urban for the next step. In the Bobengrün based plant, the existing corner cleaning machine was replaced by a new SV 840 from Urban to be ready for the new design profile “Kubus” from Gealan.

“We see an enormous potential in the new window generation with invisible sashes. We must be prepared for the market launch and therefore absolutely everything must run smoothly from the technical point of view” says Horn.

View in Urban machine

In addition to the SV 840, the customer’s production was extended by appropriate transport and cooling units to optimize their logistics processes. Implementation and support by Urban GmbH & Co. Maschinenbau KG turned out to be perfect again.

“The whole procedure could be carried out sooner than originally scheduled - that’s really great” Mr. Horn is pleased to say.


Because of the conversion, his staff members were on vacation but could come back to work sooner than originally scheduled. Already in summer 2016, the therma plant in Tanna replaced their existing welding-cleaning line by a new four head welding machine AKS 6410 and a SV 840/6 with 13 servo axes.

The high quality products are distributed by therma Fensterbau GmbH in Bavaria, Baden-Wuerttemberg, Saxony, Thuringia and in the greater Berlin area. A large part of therma’s windows and doors is supplied to dealers and craftsmen. 20% of their turnover is generated via direct sale to private users. Therma Fensterbau GmbH employs altogether 110 staff members at three locations.