Concrete Work near you in Hong Kong
Known locally as concrete spalling repair and screeding. Compare researched prices and get free quotes from pros wherever you are in Hong Kong.
Typical price: HK$2,000–HK$80,000
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What concrete work costs in Hong Kong
| Job size | Low | Typical | High |
|---|---|---|---|
| Small spalling repair Repair one or two spalled patches with rebar treatment | HK$2,000 | HK$5,000 | HK$10,000 |
| Room re-screed Screed floors in one room or repair larger areas | HK$8,000 | HK$15,000 | HK$30,000 |
| Whole-flat spalling works Comprehensive spalling repair across a flat | HK$20,000 | HK$40,000 | HK$80,000 |
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How to hire a concrete work pro in Hong Kong
- For structural repairs, use a Buildings Department Registered General Building Contractor or Registered Minor Works Contractor as the works class requires
- For spalling (very common in older buildings), confirm the repair includes treating corroded rebar and a bonding agent
- Get scope, area and material spec in a written quote
- Check whether the building's management or an MWCS submission is needed
- Confirm debris disposal — charged at government facilities
- Ask for photos of completed repairs in similar buildings
Frequently asked questions
What should a concreting quote include?
Excavation and sub-base, formwork, reinforcement (mesh size or fibre dose), concrete grade and thickness, the finish (broom, trowel, exposed aggregate, stamped), control joints, curing method, and spoil removal. Any quote that just says 'supply and lay concrete' leaves too much undefined.
What finishes can concrete have?
Broom (non-slip, standard outdoors), steel trowel (smooth, indoor), exposed aggregate, stamped/patterned, coloured and polished. Decorative finishes can add 30-100% to the base rate but replace the cost of a separate surface like pavers or tiles.
Does weather affect concrete pouring?
Strongly. Frost can ruin an uncured pour, extreme heat causes plastic shrinkage cracking, and rain marks fresh surfaces. Good contractors watch forecasts and will delay a pour; be suspicious of anyone happy to pour into bad weather to keep the schedule.
How much does concrete work cost?
Concrete is priced by area and thickness for slabs (per m² or sq ft), by volume for supply (per cubic metre/yard), and by the job for repairs. The concrete itself is often less than half the bill — formwork, reinforcement, sub-base preparation, finishing and access drive the labour cost.
How thick should a concrete slab be?
Common rules of thumb: 75-100mm (3-4") for paths and patios, 100-125mm (4-5") for driveways and garage floors, more for heavy vehicles — always over a compacted sub-base with mesh or fibre reinforcement. Thin slabs on soft ground crack no matter how good the finish looks.
How long does concrete take to cure?
You can usually walk on it after 24-48 hours, drive on it after about 7 days, and it reaches design strength at 28 days. Curing (keeping it damp, protecting from frost or extreme heat) in the first week matters more for durability than almost anything else.
Why is spalling repair such a big deal in Hong Kong?
Decades-old reinforced concrete plus humid, salty air corrodes rebar, which expands and pops the cover concrete. Proper repair means breaking out to sound concrete, treating the steel, and rebuilding with repair mortar — patching over it just delays the next fall of concrete.
Related services
Planning a budget?
See the full concrete work cost guide or browse all Hong Kong price guides.
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