Found in Kalimantan (Borneo), Sumatra, and parts of Sulawesi. It grows in lowland tropical rainforests.Used in heavy-duty construction, flooring, outdoor furniture, railway sleepers, boat building, and structural work.
Scientific Name: Dipterocarpus spp.
Density : Approximately 720-880 kg/m³ at 12% moisture content
Color : Reddish-brown to dark brown
Grain : Straight to slightly interlocked
Texture : Coarse
Durability : Moderately durable; resistant to insects and pests, but may require treatment for enhanced decay resistance in outdoor applications
Workability : Can be challenging to work with due to its density; may require pre-drilling for nailing and can dull cutting tools; takes stains and finishes well with appropriate techniques
Growth Time : Typically harvested between 20 to 30 years of growth for commercial use
