Finnish wood for high-quality applications

Strong and slowly-grown, small knotted Finnish wood is excellent material for interiors and exteriors

In interiors wood is used as surface material for walls, ceilings and floors, furniture, stairs, windows and doors, in features and decorations. The use of wood extends from small private facilities to large public social and official premises.

Very often, wood is used because of the way it looks. The different colours and structures of types of wood and the different interior products made of wood – such as cladding, massive flooring, architraves and skirting, and glued laminated boards and panels – enable the use of wood in countless different ways.

In addition to its appearance and the atmosphere it engenders, the use of wood can influence such things as the quality of indoor air and acoustics. Wood has the ability to absorb and release moisture – in other words to balance variation in the humidity of indoor air. This improves the quality of the air by reducing the need for ventilation, thereby improving energy efficiency.

The potential of wood as a heat equaliser is based on latent heat that is formed when moisture in the air is bound to a wooden structure. The change in temperature that this causes can be used to improve temperature comfort, lowering the load on ventilation systems and energy consumption.

Energy efficiency

The temperature of the surface rises when moisture is absorbed by wood, and decreases when moisture evaporates from the wood. The wooden surface can then act as a natural heating panel or cooling element!

During the several last decades wood has been the most popular material for exterior cladding in Finland. The reasons behind the popularity are the beautiful outlook, ecological approach, constructability and renewability.

When used in the right way, wood is long-lasting and functional material for external cladding. In Finland, there are examples of houses with more than 100-year-old exterior claddings, which are still in excellent condition.

In addition to Finland, also in Alpine countries there are traditions to use Finnish wood for external claddings as the quality is seen superior to other options. Popular choices for exterior cladding are spruce, heart wood of pine and thermally modified pine or spruce.

Recommended thickness of exterior cladding varies between 23-28 mm. The thicker the cladding the better it can balance the moisture content, which is dependent on the changes of weather.

Industrially primed exterior cladding is excellent choice as the surface material is protected from rain and UV radiation from the very beginning. Wooden exterior claddings are easy to maintain.

Right-timed and correctly implemented maintenance painting is very important for the durability of exterior cladding. For more information visit



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