Expert concrete repair solutions in Christchurch
Repair, restore and protect concrete.
We're dedicated to restoring and enhancing the structural integrity of buildings and infrastructure across New Zealand. Utilising the latest in repair technologies and materials, we approach every project, regardless of scale, with a focus on durability, sustainability and client satisfaction.
Plain-English overview
Concrete crack repairs: more than just filling gaps.
Since its inception in 2004, The Connect Group's Concrete Repair Division has been at the forefront of delivering high-quality, innovative solutions for concrete repairs and maintenance, restoring and enhancing the structural integrity of buildings and infrastructure across New Zealand.
We've proudly delivered exceptional concrete repair solutions to the market since 2004. The Canterbury Earthquakes saw The Connect Group take on large-scale concrete repair projects across Canterbury and lead the industry in repair methods and standards. For over 20 years our division has offered a wide range of solutions, from seismic strengthening to grout and sealant applications, all underscoring our commitment to protecting and preserving your asset.
Our concrete repair services
Setting the industry standard for concrete repairs.
Panel Grouting & Sealant
Applying grout and sealant to concrete panels and drossbachs, ensuring stability, sealing joints, and preventing water ingress for durable results.
Crack Injection
Injecting specialised resins into cracks to seal and strengthen concrete, preventing further damage and restoring structural integrity.
Shotcrete
Spraying high-strength concrete onto surfaces for structural repairs, slope stabilisation, and forming complex shapes with superior adhesion.
Re-levelling, Void Filling & Consolidation
Re-levelling structures, filling voids, and consolidating ground to stabilise and support concrete foundations and slabs effectively.
Drilling & Anchoring
Drilling precise holes and installing anchors for structural support, ensuring secure and stable connections in concrete repairs.
Grinding & Polishing
Using advanced techniques to grind and polish concrete floors or walls, achieving a smooth, shiny finish that is both durable and aesthetic.
FRP Plate & Stitching
Installing Fibre Reinforced Polymer (FRP) plates and stitching to strengthen and repair concrete structures, enhancing load-bearing capacity.
Underpinning
Strengthening and stabilising foundations through underpinning techniques, reducing structural movement and addressing subsidence issues.
Waterstop & Curtain Wall Injection
Injecting water-reactive resins into joints and connections to stop leaks and water ingress, with curtain wall injection to reinstate tanking.
Why Connect
The Connect Group advantage.
Utilising the latest in repair technologies and materials, we approach every project, regardless of scale, with a focus on durability, sustainability and client satisfaction. Our comprehensive service offering, from seismic strengthening to grout and sealant applications, underscores our commitment to protecting and preserving your asset.
- Comprehensive expertise: 20 years of experience, from residential repairs to large-scale commercial and infrastructure projects, with concrete repairs, seismic strengthening, fire protection and core drilling under one roof.
- Innovative solutions: we utilise cutting-edge technology and materials, including Hilti advanced core-drilling and anchoring equipment, for durable, long-lasting repairs that enhance overall integrity and value.
- Local knowledge, global standards: deep roots in Christchurch's post-earthquake landscape, combined with adherence to international best practices.
- Collaborative approach: we work closely with clients to understand their needs and offer tailored, customer-centric solutions completed to the highest standards.
- Safety-first: rigorous inspection processes, automated systems in high-risk operations, thorough staff training and strict adherence to the latest regulations.
Where this fits
Sectors & related services.
Featured proof
96 Lichfield Street.
A category one heritage building, the challenge from the outset was to maintain the overall integrity of the historic façade, take care of the stone frontage, while giving the building strength and durability.
Technical detail
Methods, process & compliance.
- Break-out, reinforcement treatment and patch repair
- Structural and non-structural crack injection
- Spall repair and reinstatement of cover
- Sprayed and hand-applied repair mortars
- Anti-carbonation and protective coating systems
- Cathodic and corrosion-mitigation measures
- Investigate and diagnose the cause of the deterioration
- Select the right repair system and products for the conditions
- Set-up, access, protection and substrate preparation
- Staged repair with hold points and inspections
- QA records and product certification captured as we go
- Protection, finishing and handover documentation
FAQs
Practical questions, answered.
Need concrete repair done properly?
Call the team and we’ll talk through the damage, the cause and the right approach to fix it for good.


