Two of iLumber's premium decking species, head to head. Both are excellent — they win on different criteria.
Comparison Table
| Ipe | Thermo Ash | |
|---|---|---|
| Origin | Tropical (Brazil) | European Ash, thermally modified |
| Janka hardness | 3,680 lbf | ~1,320 lbf |
| Lifespan | 50–75 yrs | 25–30+ yrs |
| Weight | Very heavy | Medium |
| Color | Chocolate brown | Crème brûlée |
| Cost / SF (installed) | $22–$35 | $14–$22 |
| Sustainability | FSC available | European + FSC + EPD |
Choose Ipe If
- You want the longest possible deck life
- The chocolate-brown tone is the design intent
- The budget can absorb the upfront premium
Choose Thermo Ash If
- European sourcing and EPD documentation matter
- You want a lighter, easier-install material
- The lighter crème-brûlée tone suits the design
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