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The team at HBB will be on holidays from Friday 19th December 2025 at midday to Monday 12th January 2026 at 8am. Orders placed online during this timeframe will be dispatched in accordance with the timeframes stated in the checkout section. Have a Happy Christmas and New Year.

Tanazole Aqua H3.1 Exterior Radiata Castellated 45x20mm Cavity Batten FJ 5.4m lengths

NZ$22.83
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Tanazole Aqua H3.1 Exterior Radiata Castellated 45x20mm Cavity Batten FJ 5.4m lengths

Exclusive to Health Based Building™

$22.83 per 5.4m length, equates to $4.23 per lineal metre

45mm x 20mm horizontal cavity batten. Castellated for use with vertical cladding. The 20mm batten is fixed by the cladding fixings to horizontal supporting dwangs and set out at maximum 480 centres.

 Cavity battens play a crucial role in enhancing the durability and effectiveness of your cladding system. By promoting airflow between the cladding and the wall and facilitates proper drainage, reducing the risk of water damage.

Health Based Building offers a broad selection of non-structural and structural sizes to suit various project requirements. Engineered for fast and straightforward installation, it’s a dependable choice for any construction job.

All Health Based Building's cavity battens are designed to exceed the ventilation standards outlined in the E2/AS1 building code.

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Product Code: P45X20X5400FJCBC

Health Based Building

New Zealand's Health Based Building Materials Specialists. An exclusive range of building materials aligned to health, performance and the true meaning of sustainable development. Hardwood and softwood timber, vapour permeable exterior and interior wall boards, breathable paints and oil coatings.