Use the code "SAVE20" for an extra 20% off. While stocks last.

Description

Picking the right timber online can be hard. 

This sample lets you see the actual decking timber up close, so you can be confident before committing to your full order.

Transform your outdoor space with Bangkirai (Yellow Balau) decking timber - a premium Southeast Asian hardwood known for its exceptional durability, strength, and long-lasting performance in New Zealand’s outdoor conditions.

With its rich golden-brown colour and naturally dense structure, Bangkirai is one of the most sought-after hardwoods for residential and commercial decking.

Perfect for decks, steps, boardwalks, and high-traffic outdoor areas.

Size: 25mm x 140mm

*Please note this is a sample only.

Product form

SAMPLE ONLY Bangkirai (Yellow Balau) Solid Decking Timber 25 mm x 140mm

$10.00Incl. GST

  • 30-days return
  • Mainfreight quote available
  • Pick-up available in Hamilton and Waerenga
Specifications

Specifications

  • Thickness: 25 mm
  • Width: 140 mm
  • Length: 4.8 m
  • Timber Type: Bangkirai / Yellow Balau
  • Grade: Premium hardwood
  • Profile: Smooth and Treaded
  • Use: Exterior decking, outdoor structures

Description

Picking the right timber online can be hard. 

This sample lets you see the actual decking timber up close, so you can be confident before committing to your full order.

Transform your outdoor space with Bangkirai (Yellow Balau) decking timber - a premium Southeast Asian hardwood known for its exceptional durability, strength, and long-lasting performance in New Zealand’s outdoor conditions.

With its rich golden-brown colour and naturally dense structure, Bangkirai is one of the most sought-after hardwoods for residential and commercial decking.

Perfect for decks, steps, boardwalks, and high-traffic outdoor areas.

Size: 25mm x 140mm

*Please note this is a sample only.

Why Choose Bangkirai (Yellow Balau)?

  • ✔ Superior durability for NZ conditions

    Bangkirai is naturally resistant to rot, decay, and insects, making it ideal for high-moisture and high-exposure environments. Its dense hardwood structure ensures excellent stability and long-term performance.

  • ✔ Strong, stable & long-lasting

    With a durability rating equivalent to Class 1–2 hardwoods, Bangkirai offers an extended lifespan of 20–30+ years when properly maintained - perfect for long-term outdoor decking.

  • ✔ Beautiful golden-brown colour

    Fresh Bangkirai decking features warm golden to reddish-brown tones that deepen over time. If left untreated, it will weather into a natural silver-grey patina loved by many homeowners.

  • ✔ Ideal for heavy-traffic areas

    The thicker 25mm board provides added strength and rigidity, making it suitable for:

    • Decks

    • Patios

    • Boardwalks

    • Poolside areas

    • Commercial outdoor spaces

  • ✔ Low maintenance with natural resilience

    Whether oiled for colour retention or left to silver naturally, Bangkirai remains structurally strong. Regular cleaning and occasional oiling will keep your deck looking its best.

FAQs

What is bangkirai (yellow balau)?

Bangkirai, also known as Yellow Balau, is a dense tropical hardwood commonly used for decking. It’s known for its strength, durability, and natural resistance to rot, decay, and insects, making it ideal for NZ weather conditions.

Is Bangkirai good for outdoor decking?

Yes - Bangkirai is one of the most durable hardwoods available for outdoor use. It performs exceptionally well in both sheltered and exposed environments and is commonly used for decks, boardwalks, and heavy-duty outdoor structures.

Does Bangkirai need maintenance?

Like all natural hardwoods, Bangkirai benefits from periodic maintenance.

  • Oiling or staining helps preserve its colour and reduces surface checking.
  • If left untreated, it will weather to a silver-grey appearance - this is normal and does not affect performance.

Bangkirai can be left untreated, resulting in a natural silver-grey colour

Do I need to pre-drill Bangkirai?

Yes - due to its denstiy, predrilling is recommended for all fastenings to prevent splitting and to ensure a clean, secure installation.

Footer image

© 2026 WH Goods