A Guide to Concrete Resurfacing

Concrete surfaces, whether driveways, patios, or pathways, play an essential role in the functionality and aesthetic appeal of your home. Over time, exposure to Canterbury’s climate—ranging from hot summers to frosty winters—can cause wear and deterioration. 

Key Takeaways

• Concrete Resurfacing is the process of applying a new layer over existing concrete to restore its appearance and enhance durability.
• Signs Your Concrete Needs Resurfacing: Cracks, stains, surface wear, and safety concerns (like slipperiness) indicate it may be time to resurface.
• Benefits: Cost-effective, eco-friendly, improves appearance, and increases durability.
• Resurfacing Options in NZ: Spray-on coatings, stamped overlays, epoxy/polyurethane coatings, and coloured concrete.
• Process: Includes cleaning, repairing, bonding agent application, resurfacing, and sealing for long-term protection.
• Why Choose Suburban Earthworks: Local expertise, proven track record, and a commitment to quality in Canterbury’s climate.
• Maintenance: Regular cleaning, prompt stain removal, resealing, and avoiding harsh chemicals to prolong the lifespan.

Table of Contents

• What is concrete resurfacing?
• Signs your concrete needs resurfacing
• Benefits of concrete resurfacing
• Concrete resurfacing options available
• The concrete resurfacing process
• Why choose Suburban Earthworks?
• How to maintain your resurfaced concrete
• Is concrete resurfacing right for you?
• FAQs

Cracks, stains, and general wear can make concrete surfaces look tired and unappealing. Thankfully, concrete resurfacing offers an affordable and effective solution to restore and protect your outdoor spaces without the need for complete replacement.

What is Concrete Resurfacing?

Concrete resurfacing is the process of applying a new layer of material over existing concrete to restore its appearance and improve its durability. This process can repair minor surface damage, cover up stains and imperfections, and even change the texture or colour of your concrete to better match your home’s aesthetic. It is a cost-effective alternative to replacement, extending the lifespan of your outdoor surfaces while offering enhanced protection against future wear and tear.

Signs Your Concrete Needs Resurfacing

If you're wondering whether your driveway, patio, or outdoor area needs resurfacing, look out for these common issues:

• Cracks and Minor Damage: Small cracks that have not yet led to significant structural damage can be effectively repaired through resurfacing, preventing them from worsening over time due to exposure to moisture, temperature fluctuations, and everyday wear. Repetitive motion from vehicles, particularly heavy ones such as trucks, vans, and campervans, can put additional strain on the concrete, gradually deepening cracks and leading to more extensive surface degradation.
• Discolouration and Stains: Concrete driveways and patios can become stained from oil, rust, dirt, and mildew buildup, creating an ugly and uneven appearance that hurts the overall look of your property from the street (goodbye kerb appeal!).
• Surface Wear and Rough Patches: High-traffic areas may wear down over time, making the surface rough, uneven, and less comfortable to walk or drive on, leading to potential safety concerns and further degradation if left untreated.
• Slippery or Unsafe Surfaces: If your concrete surface becomes too smooth or worn, it can pose a slipping hazard, particularly during Christchurch’s wet winter months when rain and frost can make surfaces even more hazardous.

Benefits of Concrete Resurfacing

1. Cost-Effective: Resurfacing is significantly more affordable than tearing out and replacing concrete, saving homeowners thousands of dollars while still achieving a fresh, upgraded look.
2. Enhanced Durability: The new surface layer can be more resistant to future cracking, wear, and weather damage, helping to extend the life of your concrete and reduce long-term maintenance costs.
3. Aesthetic Upgrade: You can change the colour, texture, or finish of your concrete to enhance your property’s kerb appeal, allowing for a more modern or decorative look that suits your style.
4. Eco-Friendly Option: Instead of removing old concrete and creating waste, resurfacing makes use of the existing surface, reducing landfill waste (construction and demo waste such as concrete makes up 40–50% of NZ's total waste going to landfill) and promoting sustainable building practices.

Concrete Resurfacing Options Available in New Zealand

Several resurfacing options are suitable for our unique climate and conditions:

• Spray-On Resurfacing: This involves spraying a cement-based coating onto the existing surface, allowing for custom textures and non-slip finishes that can be tailored to different looks and needs.
• Stamped Overlays: These overlays mimic the look of brick, stone, or tile while being more durable and cost-effective, providing a classy finish that improves the overall appearance of outdoor spaces.
• Epoxy and Polyurethane Coatings: Ideal for garages or outdoor entertainment areas that need a tough, stain-resistant finish, these coatings also offer excellent chemical resistance and long-term durability against wear.
• Coloured Concrete Resurfacing: Adding colour pigments to the resurfacing compound can enhance the look of your space, allowing homeowners to match their driveways and patios to their home and garage.

The Concrete Resurfacing Process

Professional resurfacing is recommended for the best results (don't try this at home guys!), here’s an overview of what the process usually involves:

1. Surface Preparation: The existing concrete is thoroughly cleaned, removing dirt, oil, and debris. Any cracks or damage are repaired to create a smooth and even base for the new resurfacing layer.
2. Application of Bonding Agent: A bonding agent or primer is applied to ensure the new resurfacing layer adheres properly, improving the overall strength and longevity of the restored surface.
3. Resurfacing Application: The chosen resurfacing material is spread, sprayed, or stamped onto the surface, ensuring an even, attractive finish that suits the specific requirements of the space.
4. Finishing Touches: Decorative elements, colour, or texture are added as needed to create a customized look that complements the surrounding environment.
5. Curing and Sealing: The surface is allowed to cure properly, ensuring maximum durability, and then sealed with a protective coating to enhance resistance against stains, moisture, and wear.

Why Choose Suburban Earthworks for Concrete Resurfacing in Canterbury?​

At Suburban Earthworks, we pride ourselves on delivering high-quality concrete resurfacing solutions tailored to Canterbury’s unique climate and conditions. Here’s why homeowners trust us:

• Extensive Experience & Local Knowledge: With years of experience in the Canterbury region, we understand how the local weather impacts concrete surfaces and select the best resurfacing techniques to ensure long-lasting results.
  
• Proven Track Record: We have successfully completed numerous resurfacing projects, from driveways to patios and pathways. We’re happy to go through our previous projects with you, so you can feel confident about the quality of our work.
  
• Long-Term Commitment to Quality: We take pride in the durability of our work and are always available to offer guidance on keeping your resurfaced concrete looking its best. Our team provides expert recommendations on maintenance and care to help you protect your investment for years to come.
  

How to Maintain Your Resurfaced Concrete

To extend the lifespan of your resurfaced concrete, follow these maintenance tips:

• Regular Cleaning: Sweep and wash the surface periodically to remove dirt and debris, preventing buildup that could compromise the appearance and longevity of the resurfacing layer.
• Prompt Stain Removal: Clean up oil spills and stains quickly to prevent permanent marks, using mild cleaners or specialized concrete stain removers to maintain a pristine surface.
• Resealing: Depending on the product used, resealing every few years can enhance durability, protecting the surface from moisture penetration, UV damage, and general wear and tear.
• Avoid Harsh Chemicals: Use mild detergents instead of strong acids or corrosive cleaners, as these can degrade the resurfacing material and lead to premature deterioration.

Is Concrete Resurfacing Right for You?

If your driveway, patio, or outdoor area is structurally sound but showing signs of wear, resurfacing is an excellent way to refresh its appearance and functionality without a costly full replacement. Given Canterbury’s variable weather conditions, choosing the right materials and professionals will ensure long-lasting results.

Concrete resurfacing is a practical, cost-effective, and a more environmentally-friendly way to breathe new life into your outdoor spaces. Whether you want a simple refresh or a full aesthetic transformation, resurfacing offers a range of options to suit your needs. If you’re considering resurfacing your concrete driveway or patio in Canterbury, get in touch with a local professional for advice and a tailored solution that suits your home and climate conditions.

FAQs

1. What is concrete resurfacing?
   It's a process of applying a new layer over worn-out concrete to improve its appearance and protect it from future damage.
2. Why should I resurface instead of replacing my concrete?
   Resurfacing is much more affordable, eco-friendly, and can extend the lifespan of your concrete without the hassle and cost of replacement.
3. How long does concrete resurfacing last?
   With proper maintenance, resurfaced concrete can last for many years, even decades, depending on the materials used.
4. Can resurfacing fix deep cracks?
   Resurfacing is ideal for minor to moderate surface cracks but may not be suitable for structural damage. Consulting a professional is recommended.
5. How do I maintain my resurfaced concrete?
   ​Regular cleaning, quick stain removal, resealing every few years, and avoiding harsh chemicals will keep your resurfaced concrete in top shape.