Metsä Wood ThermoWood® is produced by heat treating Finnish grown pine to temperatures in excess of 200 degrees centigrade. During heat treatment, chemical and structural changes occur within the timber which alter and improve some of its basic characteristics. The resulting product is an altogether more durable and stable timber, an ideal material for use in exposed areas such as external wall claddings.
The improved durability of Metsä Wood ThermoWood® makes it an excellent material to use in the production of timber claddings and rain screens. The heat treatment process enables the use of Scandinavian Redwood in areas requiring a service life of up to 30 years without the need for a chemical preservative.
Metsä Wood ThermoWood® is more stable than untreated softwood. The changes that occur within the timber during heat tratment make it less able to absorb or lose moisture. This restriction of moisture movement limits any potential for swelling, shrinkage or distortion of Metsä Wood
ThermoWood® cladding boards.
Heat treatment removes resin from redwood timber. As a result there is no resin leakage or "bleed" through the surface coatings. The combined effect of this together with the improved stability can lead to a lower maintenance requirement.
This download is for the ThermoWood timber cladding product.
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