Thermo Ash Facade Board (Straight Planken)

The material presented in this catalogue is a heat-treated facade board made from selected ash. The treatment is carried out using a proprietary technology and involves intensive drying, heating, and hardening at elevated temperatures and pressures, as well as controlled humidity. As a result of the heat treatment, thermo ash acquires unique performance characteristics while retaining its ecological purity.

Smooth planed façade board “straight planken” is a finishing material completely ready for use, produced by step-by-step heat treatment of selected ash blanks. Supplied as a planed board 20 mm thick and 80 mm wide with rounded edges on the front side.

– does not rot
– does not crack
– does not deform
– lights up poorly
– does not emit smoke when burning
– can be restored by grinding
– does not absorb moisture
– does not emit resin
– insects do not appear
– easy to install
– lasts many times longer than untreated wood