The Price Range for Grinding and Polishing Concrete

In NZ, the average cost to grind and polish concrete ranges from $60 to $120 per square metre, depending on the level of finish required. The variation in price often stems from the complexity of the job and the specific services required, which could include grinding down exposed aggregate concrete or concrete grinding and resurfacing.

Variables Impacting the Cost of Concrete Grinding

The final cost of concrete grinding in Auckland is influenced by several factors. The condition of the concrete surface, the size of the area to be worked on, and the finish desired all contribute to the overall expense. For instance, grinding concrete smooth in a large area, such as a warehouse in Mt. Wellington, could incur higher costs due to the increased labour and time needed.

Keeping Green: Environmental Considerations in Concrete Grinding

In the spirit of sustainability, some contractors offer wet grinding concrete services to minimise dust and maintain air quality. This environmentally friendly approach, although potentially adding to the upfront cost, offers long-term benefits to both the environment and the health of workers and residents.

The Breadth of Concrete Grinding Services

When discussing concrete grinding, there’s more to it than just making the surface smooth. The array of services could include diamond grinding for garage floors, grinding down exposed aggregate concrete, and more. This broad spectrum ensures that each concrete floor can be catered to its specific needs, adding to the overall cost of the service.

Health and Safety: Non-Negotiable

Health and safety requirements play a critical role in the cost of concrete grinding and polishing. From the use of the correct personal protective equipment to the proper handling of machinery, safety comes with associated costs but is non-negotiable in ensuring a secure workplace.

Navigating Auckland Council Bylaws

Auckland Council’s bylaws can also influence the cost of your project. Noise control bylaws may restrict working hours, potentially extending job timelines and affecting the final cost. For example, in the Devonport-Takapuna Local Board area, the Construction Noise Standard (NZS 6803:1999) applies, impacting when and how concrete grinding can occur.

Council Regulations Beyond Auckland City

For residents in regions outside of Auckland City, the local district plans also factor into project costs. In the Franklin district, for example, specific noise and vibration controls under the Auckland Unitary Plan can influence the timeline and price of grinding and polishing concrete.

FAQ

1. Why would I need to grind and polish my concrete floor?

Grinding and polishing concrete can improve the floor’s aesthetics, durability, and longevity. It’s often done to prepare a floor for sealing or staining, to remove old coatings, or to improve the floor’s flatness.

2. What factors influence the cost to grind and polish a concrete floor?

The cost can be influenced by the size of the floor, the condition of the concrete, the desired level of finish, and any additional services required, like sealing the floor post-grinding.

3. How do I find a reliable concrete grinding contractor in Auckland?

Look for a grinding contractor with proven experience in concrete grinding and polishing, with positive customer reviews, and who adheres to all health and safety guidelines. They should be able to provide you with an upfront estimate for their services.

4. Does concrete grinding create a lot of dust?

Yes, concrete grinding can create dust. However, many contractors now use wet grinding methods or dust extraction systems to manage this.

5. How long does it take to grind and polish a concrete floor?

The timeline can vary based on the size and condition of the floor, but generally, a contractor can grind and polish approximately 100 square metres per day.