Timber Species | Timbers | TLB | TLB

Heavy Hopea is a perfect timber for construction. It is a very dense, very strong product, with a high resistance to termites. Its fine texture and grain make it easy to work with. Its natural durability and strength make it perfect for external applications. Botanical Name: Hopea Iriana (Dipterocarpaceae) Other Common Names: Giam, Heavy Hopea

Technical Information

Colour	Heartwood is yellow brown to dark brown, deepening with exposure.
Grain	Texture is fine to medium and even. Grain is typically interlocked.
Strength	S1 : SD1
Structural Ratings	F27 : F34 select grade
Hardness (Janka)	9.2kN (unseasoned) &10kN (seasoned)
Termite Resistance	Resistant
Shrinkage to 12% MC	Low – (3% radial – 6% tangential)
Durability above ground	Highly durable – Class 2 – Life expectancy 15- 40 years
Durability in ground	Class 2 – Life expectancy 15 to 25 years
Working properties	The timber is easy to work with. Smooth surfaces can be readily obtained providing that cutting edges are kept sharp. Pre-boring recommended for nailing to avoid end splitting. Sands to a very fine finish and will take a good polish.
Uses	Billiard-cue butts, Boat building, Broom handles, Building construction, Canoes, Crossties, Decking, Domestic flooring, Excelsior, Factory construction, Factory flooring, Flooring, Handles, Heavy construction, Joinery, Ladders , Lifeboats, Marine construction, Mine timbers, Parquet flooring, Pile-driver cushions, Piling, Poles, Railroad ties, Shafts/Handles, Shipbuilding, Sporting Goods, Sub-flooring, Tool handles, Utility poles, Wharf construction