Compare wood species for decking

Decking Impregnated pine Siberian larch Thermo pine Thermo ash
Timber Scots pine Siberian larch Scots pine American ash
Latin name Pinus sylvestris Larix sibirica Pinus sylvestris Fraxinus americana
Growth area North Europe Northern Russia North Europe North America, Europe
Durability (EN350-2) Class 3 Class 3 Class 2 Class 1
Avg. density (kg/m3) Medium, ~450 High, ~610 Medium, ~420 High, ~660
Movement class Medium High* Very low Very low
Environmental certified Yes Yes Yes Yes
Process Vacuum pressure impregnation None Heat treatment, Thermo-D Heat treatment, Thermo-D
Covering required No No No No
Appearance** Light brown or green color, many knots Golden orange color, tight grain, many knots Light brown color, many knots Dark brown color, tight grain, very few knots
Lenght (m) 2.1-6.0 m 3.0-6.0 m 2.1-6.0 m 0.9-4.2 m
Average price

* The movement class of Siberian larch wood is high (145 mm wide board can vary 5 mm through the seasons).

** Appearance of wood before weathering.

Decking boards can be produced from different types of wood (Pine, Siberian larch, Thermowood). All our wooden decking boards are ready for installation. In addition, floorboards can be covered with oil or paint to obtain a special required color. Without coating, timber decking boards eventually turn silver-gray. Thermo ash wood is a special type of wood, durability class 1 and it is without knots.
Compare wood types for decking and choose the one that suits you best.
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