Blackbutt
Overview
Blackbutt is a strong Australian hardwood used for structural and appearance applications. It offers a clean, light look with robust mechanical performance.
It is a common choice where strength and a contemporary palette are required.
Appearance
- Colour: pale brown to light honey; even tone.
- Grain: straight; medium texture.
- Figure: subtle and uniform.
- Finishing: clear and tinted finishes perform well.
Workability
- Machining: machines well; sharp tooling preferred.
- Fastening: pre-drill; strong fastener retention.
- Gluing: bonds with common structural/fit-out adhesives.
- Finishing: sands cleanly; seal before film coats.
Performance & durability
Good durability and strength with appropriate detailing. For exterior use, ensure ventilation and coating maintenance.
Structural/grades
- Available in structural grades; consult span tables.
- Common in beams, joists, and engineered members.
Typical applications
- Structural framing and beams
- Flooring and stairs
- Exterior cladding and decks (detailed)
Key properties (indicative)
- Mass: medium to heavy
- Durability: good; exterior capable with maintenance
- Movement: moderate; acclimatise prior to install