Polished Concrete Floors; Grinding & Sealing specialists
Rotorua | Tauranga | Mt Maunganui | Queenstown
Better-Looking, Longer-Lasting Concrete Floors — Across the Country
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Sustainable
Leaders in Polished Concrete Flooring New Zealand Wide .


Diamond Polished Concrete: Timeless Beauty, Modern Performance
DIAMOND POLISHED CONCRETE FLOOR OPTIONS
Projects
High-Quality Concrete Flooring Finishes, New Zealand Wide

Nationwide
NZ Grinders: Polished Concrete Specialists, New Zealand Wide
With our main office in Mt Maunganui (Tauranga) and a second location in Queenstown, NZ Grinders delivers high-quality polished concrete floors across both the North and South Islands. Whether you’re upgrading a home or fitting out a commercial space, we make it easy to get a finish that looks sharp and performs long-term.
No job is too big or too small. From compact residential projects to large-scale industrial sites, we bring the right equipment, proven systems, and an experienced team to deliver consistent results—on time and to a high standard.
We work across:
- Domestic
- Retail, Business, & Restaurants
- Commercial
- Industrial
- Agricultural
Ready to get started? contact NZ Grinders to discuss your project and request a quote.
Service Areas
CERTIFICATIONS

SAFETY
We are Sitewise accredited. Safety is the most important of our core values. It is our first priority.

COMMUNITY
Involvement in and support of the community are at the heart of us.

SUSTAINABILITY
NZ Grinders commitment to green building and sustainability is long-standing.

INTEGRITY
We operate with an unwavering commitment to honesty and integrity.
Testimonials
RECENT PROJECTS
CONCRETE CRACK REPAIR
Cracks and floor movement happen – and are a normal part of concrete flooring – see more about our repairs here
WAREHOUSE FLOOR UPGRADE
Boheme Home‘s new furniture warehouse needed flooring upgrade – a full exposure system was chosen.
COW SHED FLOOR REPAIR
The client failed a Fonterra inspection and requested our services….


















