Recycled ironwood from Kalimantan FSC 100% recycled certified Best for outdoor use. Anti rot and anti termite. A1 rated, 50+ years in ground and on ground. Density: 0.851.1 g/cm Durability: Class 1 Standard sizes Thick 1.8cm Width 7 or 8cm (varied or fix) Length 60 to 400cm (increment 10cm) Price is per sqm No extra cost for fix width and/or length. Joist sold cost price as a service Custom production available on request. Production lead time to be confirmed. FOB Surabaya listed is for a minimum 1m3 (55sqm) and above.