- Concrete repair restores the structural integrity, functionality, and appearance of deteriorated, cracked, or damaged concrete elements in buildings and infrastructure.
- Common causes of concrete deterioration in Kenya include rebar corrosion, carbonation, poor original workmanship, overloading, ground movement, and chemical attack.
- Professional concrete repair begins with a thorough condition assessment to identify the root cause of damage before selecting the appropriate repair strategy.
- Repair methods include crack injection, spall repair, overlay systems, reinforcement treatment, and full section replacement.
- Poorly executed concrete repairs that address symptoms without treating root causes will fail prematurely and escalate costs.
- Bestcare Facilities Management provides expert concrete repair and structural rehabilitation services across Nairobi and Kenya.
Concrete is a durable material, but it is not indestructible. Over time, and sometimes very quickly due to poor workmanship or aggressive environmental conditions, concrete structures across Kenya develop cracks, spalling, delamination, and corrosion-related damage that compromise their structural performance and visual appearance. Balconies with rusting reinforcement bars breaking through the soffit, warehouse floors with surface scaling and joint failures, retaining walls with horizontal cracks, and bridge soffits with concrete falling away — these are all manifestations of concrete deterioration that demand prompt, professional attention.
In Nairobi, where a significant proportion of the building stock was constructed during periods of rapid urbanisation with variable quality control, concrete repair is a substantial and growing service sector. The consequences of ignoring concrete deterioration are serious: what begins as surface cracking can progress to structural instability, requiring far more extensive and costly intervention to remediate. Professional concrete repair — beginning with a rigorous diagnosis of the deterioration mechanism and followed by a properly engineered repair strategy — restores structural integrity and extends the service life of the affected element by decades.
Types of Concrete Repair Services
Crack Injection and Sealing addresses structural and non-structural cracks using low-viscosity epoxy resin injection (for load-bearing crack repair) or polyurethane foam injection (for waterproofing and arresting active leaks). The crack is first cleaned, entry ports are installed, and repair material is injected under controlled pressure.
Spall Repair and Patch Repair involves removing all delaminated, carbonated, and contaminated concrete from around corroded reinforcement bars, treating the exposed bars with anti-corrosion primer, and reinstating the concrete profile using polymer-modified repair mortars matched to the original concrete strength and profile.
Concrete Overlay and Resurfacing applies a bonded layer of high-strength repair mortar or self-levelling compound over a deteriorated floor or surface to restore levelness, surface integrity, and appearance without the cost and disruption of full slab removal.
Reinforcement Corrosion Treatment involves applying corrosion-inhibiting coatings to exposed or partially exposed reinforcement bars, or cathodic protection systems to slow or arrest corrosion activity across larger structural elements.
Structural Strengthening uses carbon fibre reinforced polymer (CFRP) strips or glass fibre wraps bonded to the concrete surface to restore or increase the load-carrying capacity of beams, columns, and slabs that have been weakened by deterioration or change of use.
Full Section Replacement is required where deterioration is so extensive that localised repair is no longer viable. The damaged section is carefully removed and replaced with new reinforced concrete to the original or enhanced specification.
Estimated Cost of Concrete Repair Services in Kenya
| Service | Unit | Estimated Cost (KES) |
|---|---|---|
| Concrete condition assessment and report | Per project | 25,000 – 100,000 |
| Crack injection (epoxy/polyurethane) | Per linear metre | 2,000 – 8,000 |
| Spall and patch repair (shallow, <50mm) | Per m² | 5,000 – 15,000 |
| Spall and patch repair (deep, >50mm) | Per m² | 10,000 – 30,000 |
| Concrete floor overlay/resurfacing | Per m² | 2,000 – 7,000 |
| Anti-corrosion rebar treatment | Per m² | 3,000 – 10,000 |
| CFRP structural strengthening | Per m | 15,000 – 50,000 |
| Full section replacement | Per m³ | 40,000 – 120,000 |
| Protective concrete coating application | Per m² | 1,500 – 5,000 |
Note: Costs are indicative and depend on the extent and cause of deterioration, access conditions, and repair materials specified. Contact Bestcare Facilities Management for a site-specific assessment and quotation.
Contact Information
| Detail | Information |
|---|---|
| Company Name | Bestcare Facilities Management |
| Phone | 0709 004 600 |
| Address | Mpaka Plaza, Westlands, Nairobi |
| info@bestcareservices.co.ke | |
| Website | www.bestcareservices.co.ke |
Contact us today for a free concrete condition assessment and competitive quotation for your repair project.