Composting Barns

Reduce bedding costs, improve animal welfare, and cut effluent runoff with a single, tried-and-true solution. Aztech composting barns are engineered for efficient ventilation and ideal composting conditions, keeping cows clean, dry and productive year-round. Ideal for pasture-based dairy systems improving wintering, calving or all-season housing.

Why Choose an Aztech Composting Barn?

• Custom-designed to your herd size and site
• Durable steel frame and roofing designed for NZ's harshest climates
• Optimised airflow and moisture control
• Supported by real-world results from NZ dairy farms

Feedpad Covers

Aztech feedpad covers shield silage and feeding areas from the elements, reducing waste, improving animal access, and helping you meet environmental compliance. With flexible span widths and modular construction, we'll design the right fit for your system.

Benefits of an Aztech Feedpad Cover

• Lower feed spoilage and mud management costs
• Reduce runoff and nutrient loss
• Faster feeding and cleaner cows
• Designed for quick installation with minimal disruption

Expert Support Throughout Your Build

On your farm, you're the expert. Our nationwide team is here to advise throughout the build process, including:

• Future-proofing your design for expansion down the line
• Advising on the most suitable locations on your farm
• Access to a network of local, certified building partners
• Referrals to our industry network for related professional services, including additional design and build partners for animal housing sheds

Frequently Asked Questions

How do I choose a dairy barn builder in NZ?

Look for a team with genuine agricultural construction experience and proven results across dairy, beef and mixed-farming operations, not just a shed supplier. Aztech works with farmers from design through to delivery, with a nationwide team able to advise on site planning, future-proofing your build, and connecting you with certified local building partners.

What's the best wintering barn option for my dairy farm?

Aztech's composting barns are built for pasture-based dairy systems looking to improve wintering, calving or all-season housing, keeping cows clean, dry and comfortable while protecting pasture.

Does Aztech build calf sheds as well as composting barns and feedpad covers?

Yes. Alongside composting barns and feedpad covers, Aztech builds calf sheds customised to your herd size and site, using the same nationwide team and build process across our dairy and animal housing range.