Description
Ironbark Decking 135x19mm – Standard & Better Grade (Random Mixed Lengths)
Ironbark is one of the most durable and hardest native Australian hardwoods, making it a premium choice for high-performance decking. This 135x19mm decking board, graded as Standard and Better and available in random mixed lengths, offers the ideal balance of long-term durability and rich natural beauty.
With its deep red, brown, and occasional grey tones, Ironbark makes a bold visual statement while providing industry-leading structural strength. Its hardness and resistance to fire, termites, and decay make it perfect for demanding outdoor environments, including bushfire-prone areas and high-traffic residential or commercial projects.
Key Features:
-
✅ Durability Class 1 (Above Ground): Exceptional resistance to decay, rot, and insects
-
✅ BAL 19-29 Rated: Suitable for use in bushfire zones up to BAL 19 – 29
-
✅ Extremely Dense & Hard: One of Australia’s toughest timbers; ideal for heavy-duty use
-
✅ Termite Resistant: Naturally protected from termite and borer attacks
-
✅ Rich, Striking Appearance: Ranges from deep red and brown to pale grey
-
✅ Ethically Sourced: Compliant with Australian forest management standards
Installation Guidelines:
-
Always pre-drill and screw-fix to avoid splitting due to the timber’s density
-
Use heavy-duty stainless steel screws and appropriate power tools for fixing
-
Ensure adequate airflow and drainage underneath the deck
-
Maintain 5–6mm spacing between boards to accommodate seasonal movement
-
Recommended for use over durable hardwood or treated pine joists
Finishing Tips:
-
Apply a premium exterior decking oil or sealer before or immediately after installation
-
Reapply finish every 6–12 months depending on weather exposure and wear
-
Clean regularly with mild timber cleaners to preserve the finish and prevent surface build-up
-
Use UV-stabilised oil to slow greying and maintain color vibrancy
Product Specifications:
-
Dimensions: 135mm wide x 19mm thick
-
Grade: Standard & Better
-
Lengths: Supplied in random mixed lengths
-
Profile: Pencil round edge or smooth (check with supplier)
✅ Why Choose Ironbark Decking?
Ironbark is one of the most durable decking timbers available, making it an excellent choice for projects where structural integrity and longevity are non-negotiable. Its natural resistance to fire, decay, and termites — paired with its rich, elegant appearance — makes Ironbark a standout option for high-end residential and commercial decking.
Build Bold with Ironbark – Enquire Today
Contact us now to get expert advice, competitive pricing, and fast delivery Australia-wide. Whether you’re designing a luxury outdoor living space or a commercial boardwalk, Ironbark decking delivers performance you can rely on for decades.
- Exclusive Warehouse Direct Prices
- All prices include GST
- Melbourne factory and showroom
- Nation Wide Timber Delivery options across Melbourne and more than 200 depots around Australia, including Canberra, Sydney, Brisbane and Adelaide