BUILT TO LAST
Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Bastion 300mm Aluminium Mill Roof Vent is designed to effectively ventilate roofs, providing a solution for hot air exhaust and moisture reduction throughout the year.
The Bastion 300mm Aluminium Mill Roof Vent is a durable and functional ventilation solution suitable for various roof types. Constructed from sturdy aluminium, this vent is engineered to exhaust trapped hot air during the summer months while simultaneously reducing moisture build-up in winter. By facilitating proper airflow, it helps extend the lifespan of your roof and mitigate potential roofing issues. This versatile vent is ideal for residential and commercial applications, ensuring a comfortable environment year-round.
Features
- Sturdy aluminium construction for enhanced durability
- Exhausts trapped hot air during summer
- Reduces moisture build-up in winter
- Suitable for most roof types
- Helps extend the lifespan of roofing materials
Specifications
| Dimensions (W x H x D) | 400mm x 400mm x 400mm |
| Material | Aluminium |
| Colour | Mill finish |
| Model Number | Mill Finish |
| Package Dimensions | 415mm x 503mm x 510mm |
The Bastion 300mm Aluminium Mill Roof Vent is a reliable choice for effective roof ventilation.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
AUTOMATION
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Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney + Melbourne warehouses.
Secure SSL Checkout
Card, PayPal, Apple Pay, Google Pay accepted.
30-Day Returns
Change-of-mind returns within 30 days.