CO Footprint
Certified and systematic quality management certification.


Through continuous investment in research, development and production, we are on the cutting edge of technology.

TrockenkammerThe drying capacity of our own drying facility could be doubled.

Now at 500 cubic meters, we can cover the growing demand for DIN-compliant timber, avoid supply bottlenecks and work independently of service providers.

Our computer-controlled wood drying is carried out on a scientific basis. The complete drying process is monitored by sensors. Due to the optimized control software, it is guaranteed that we provide our customers the best results.



Our claim is proven quality.

That is why we are members of the Quality and Information Community (GIN) for nail plate users e.V..

The so-called RAL quality mark indicates the architects, builders, developers and planning authorities craft the perfect design for a static fault-free execution.



Janssen Holzbau GmbH • Bahnhofstraße 93 • 49757 Werlte • Tel. (05951) 95 66 0 • Fax. (05951) 95 66 66 • Internet: • E-Mail: info[at]


EWE NaturWatt