Northern Europe
Thermally Modified Pine
Pinus sylvestris (TMT)
Durability
56EN 350
25 yrs modelled mean service life
Stability
75WI-INTERNAL
Stability rating: High
Fire performance
50EN 13501-1 / EN 1995-1-2
β₀ = 0.65 mm/min · D-s2,d0
Carbon stored
77EN 16449
774 kg CO₂e/m³ stored
Natural durability
76
Maintenance Profile
Use classes untreated
UC
Typical Use Classes
- Density
- 480 kg/m³
- Bending strength
- 68 N/mm²
- Stability
- High
- Carbon stored
- 0.79 t CO₂e/m³
- Durability
- DC 2–3 after modification (process dependent)
- Service life
- 25–40 yrs façade above ground
- Fire performance
- Euroclass D-s2,d0
- Cost index
- 64
The figures above are WoodIntel editorial estimates for orientation only. Where a standards-referenced record exists for this species, it is shown below with full provenance.
Standards-referenced record
Thermally Modified Pine, as the standards define it
Each value below carries its derivation and the standard it comes from. Tap a marker to open the provenance.
- Density at 12 % MC
- 480kg/m³
- Natural durability
- DC 3
- Use classes untreated
- UC 1–3 untreated
- Reaction to fire
- D-s2,d0
- Design charring rate
- 0.65mm/min
- Biogenic carbon stored
- 774kg CO₂e/m³
ProvenancemeaMeasuredpubPublishedderDerivedestModel estimate
Colour ageing
Chocolate brown → grey in 12–24 months without pigment
Typical applications
- Façade
- Decking
- Screens
- Humid climates
AI recommendation
Cheaper route to modified-wood stability than acetylation, with lower bending and impact strength. Above ground only, and the durability class must be confirmed against the supplier's process schedule.