COMPARISON OF THE THERMOWOOD® AND STELLAC®WOOD TRADEMARKS AND THEIR APPLICATION RECOMMENDATIONS

Treatment class
ThermoWood® Thermo-D Thermo-S
Stellac®Wood D1 D2 D3 T4 T5
Coniferous timber Wooden paths
Piers
Garden structures
Wooden paths
Piers
Garden structures
Windows
Exterior doors
Patios, decking
Interior floors
External cladding
Garden furniture
Interior decoration, facilities with a floor gully
Construction materials
Mouldings
Furniture
Garden furniture
Interior decoration materials
Interior floors
Interior decoration, dry facilities
Window frames and doors
Structural components
Deciduous timber Garden furniture
Furniture
Interior decoration materials
Outdoor patio floors
Sauna structures
Interior floors
Construction materials
Mouldings
Furniture
Interior decoration materials
Interior floors

SUMMARY OF THE IMPACT OF THERMOWOOD®PROCESS ON WOOD PROPERTIES BY PRODUCT CATEGORY

Coniferous timber (pine and spruce)
Thermo-S Thermo-D
Treatment temperature 190 °C 212 °C
Durability + ++
Dimensional stability + ++
Bending strength No change
Colour darkness + ++
Deciduous timber (birch and aspen)
Thermo-S Thermo-D
Treatment temperature 185 °C 200 °C
Durability No change +
Dimensional stability + +
Bending strength No change
Colour darkness + ++