Ghana 4-Storey Prefabricated Residential Building Project Using CBC Light Gauge Steel Frame System

Ghana 4-Storey Prefabricated Residential Building Project Using CBC Light Gauge Steel Frame System

 

 

This project is a standardized, high-performance 4-storey multi-unit residential building developed by CBC, customized for the Ghanaian local residential market and similar tropical overseas markets. The building covers a single-floor area of 658 square meters, with a total construction area of 2,632 square meters. It adopts a diversified apartment layout integrating 1-bedroom, 2-bedroom and 3-bedroom units, which can fully meet the hierarchical accommodation demands of local residents, corporate employees, rental housing investors and temporary resident groups.

The whole structure applies CBC mature G550-AZ150 high anti-corrosion light gauge steel keel system as the main load-bearing framework. All building components are prefabricated, cut and processed in the factory, realizing fully modular production and on-site rapid assembly. Compared with traditional concrete buildings, this light steel residential solution features lightweight structure, high strength, strong durability and excellent adaptability to tropical high-temperature and humid climate. The complete supporting systems including thermal insulation, waterproofing, decoration and sanitary ware are fully configured to form a finished turnkey residential product suitable for large-scale promotion in Africa, Southeast Asia and South Pacific markets.

 

 

 

All materials adopt high-standard matching for overseas export projects, with stable quality, strong environmental adaptability and complete supporting facilities. The detailed consumption and configuration are as follows:

Main Structural Steel: G550-AZ150 zinc-aluminum coated light steel keel, total consumption of 130 tons per building, featuring anti-rust, anti-corrosion and high structural stability

Wall Thermal Insulation Material: 100mm thick high-density thermal insulation cotton, total covering area of 6,500 ㎡, effectively isolating heat and reducing building energy consumption

Exterior Wall System: 12mm cement fiber board base + real stone paint finish, total exterior wall area of 1,650 ㎡, with weather resistance, crack resistance and decorative texture

Interior Wall System: 12mm standard gypsum board with a total area of 7,500 ㎡; for wet areas such as toilets and shower rooms, replaced with 9mm waterproof cement fiber board (total replacement area: 1,300 ㎡) to enhance moisture-proof and waterproof performance

Roof Waterproof System: Walkable roof design with full SBS waterproof material paving, realizing overall waterproof, anti-seepage and weather-resistant functions, suitable for long-term outdoor exposure in tropical climate

Ceiling System: 12mm standard gypsum ceiling with a total area of 2,100 ㎡; wet area ceilings adopt 9mm cement fiber board replacement (total replacement area: 300 ㎡) to avoid mildew and deformation in humid environment

Sanitary Ware Supporting: Equipped with 32 sets of toilets and 32 sets of shower rooms, meeting the supporting needs of multi-unit residential apartments

Packaging & Transportation: The whole project is packaged and shipped by 20 sets of 40HQ high cube containers, with standardized containerized loading and low transportation loss

 

 

 

This project adopts unified FOB Ningbo Port pricing standard, covering all factory prefabricated components, building materials, interior and exterior decoration materials, sanitary ware accessories and factory packaging costs, excluding ocean freight, customs clearance fees and on-site installation costs.

Total Project Budget: Approximately USD 650,000 (FOB Ningbo)

The overall cost has outstanding cost-performance advantages. Under the same building area and functional configuration, CBC light steel prefabricated residential buildings reduce comprehensive construction costs by 40%-50% compared with traditional local concrete buildings. Meanwhile, the factory integrated production mode avoids material waste and on-site secondary processing costs, realizing precise cost control and high-value output.

 

 

 

4.1 Superior Structural Performance & Durability

Adopting G550-AZ150 high-strength zinc-aluminum coated light steel keel, the structural material has ultra-strong anti-corrosion, anti-rust and anti-termite capabilities, perfectly adapting to the high-temperature, humid and rainy tropical climate. The overall light steel truss structure has high seismic resistance, wind resistance and structural stability, with a service life of more than 70 years, far exceeding the durability of traditional wooden and ordinary concrete buildings in overseas markets.

 

4.2 Professional Thermal Insulation & Moisture-Proof System

Equipped with 100mm thick overall thermal insulation cotton filling, matching multi-layer waterproof and moisture-proof structural design. The exterior wall real stone paint and cement fiber board system resists ultraviolet radiation and rain erosion; wet areas are specially replaced with waterproof cement fiber boards to solve the pain points of mildew, water seepage and wall deformation of tropical buildings, effectively improving indoor living comfort.

 

4.3 Diversified Layout & High Practicality

The composite layout of 1/2/3-bedroom apartments realizes hierarchical matching of customer groups, which is suitable for commercial rental housing, staff dormitories, community residential buildings and other multiple scenarios. The dry and wet separation design of sanitary areas and standardized public space planning conform to the living habits of residents in Africa, Southeast Asia and other regions, with high market adaptability.

 

 

4.4 Efficient Prefabrication & Low Comprehensive Cost

Full factory prefabrication and modular assembly greatly shorten the construction cycle, effectively solving the problems of insufficient local construction labor and slow traditional construction progress in overseas markets. Containerized standardized packaging reduces transportation and storage costs. The later maintenance cost is extremely low, and no frequent anti-corrosion and waterproof maintenance is required, with prominent long-term economic benefits.

 

4.5 Complete Standardized Supporting & High Completion

The project integrates structure, thermal insulation, waterproofing, decoration and sanitary ware, realizing finished product delivery. All materials comply with international export environmental protection and quality standards, with high overall completion, which can realize rapid handover and occupancy after on-site assembly, meeting the urgent housing demand of overseas markets.

 

 

 

5.1 Philippines Market

The Philippines is one of the fastest-growing prefabricated building markets in Southeast Asia. Driven by the national "Build, Build, Build" infrastructure plan and continuous urbanization construction, the local construction market maintains a compound growth rate of about 6.8%. The country is affected by frequent typhoons and earthquakes all year round, and traditional buildings have poor disaster resistance and short service life. CBC light steel buildings have excellent wind resistance, seismic resistance and structural toughness, which can perfectly adapt to local extreme weather conditions.

In addition, the Philippines has a huge shortage of urban residential and rental housing, and the light steel modular multi-unit apartment model of this project is highly compatible with local affordable housing and commercial rental housing needs. With the local government's continuous improvement of building energy-saving and safety standards, high-performance prefabricated light steel buildings will gradually replace traditional buildings and become the mainstream choice for new urban residential construction, with huge market development potential.

 

 

5.2 Indonesia Market

Indonesia's prefabricated building market is growing rapidly, with a projected compound annual growth rate of 6.70% from 2026 to 2034. The national capital relocation project and continuous urban renewal construction have brought massive demand for modular residential and public supporting buildings. As an archipelago country, Indonesia has a typical tropical humid and rainy climate, with high requirements for building moisture resistance, corrosion resistance and weather resistance.

CBC light steel residential products adopt overall thermal insulation, waterproof and moisture-proof optimization design, which can effectively solve the problems of wall mildew, steel corrosion and water seepage of local buildings. The multi-storey multi-unit apartment design is suitable for urban intensive residential construction and rural residential renovation. The factory prefabrication mode adapts to the scattered island construction characteristics of Indonesia, solving the problems of difficult local material transportation and high on-site construction costs, and has broad popularization prospects.

 

5.3 Papua New Guinea Market

Papua New Guinea is located in the Pacific seismic belt, with frequent seismic activities, humid tropical climate and serious termite erosion. Local traditional wooden buildings are easy to be corroded and damaged, while concrete buildings have long construction cycles and high costs, resulting in a long-term shortage of high-quality residential resources.

CBC G550-AZ150 anti-corrosion light steel structure has natural anti-seismic, anti-termite and anti-corrosion advantages, which can adapt to the harsh local natural environment. This standardized multi-storey residential project is suitable for local urban residential construction, mining camp staff dormitories and public supporting housing projects. With the continuous advancement of local infrastructure construction and residential upgrading, CBC high-cost-performance prefabricated light steel buildings will become the mainstream choice for local housing construction, with strong market scalability.

 

 

5.4 Chile Market

Chile is located in the South American seismic zone, with frequent earthquakes and complex and diverse regional climates. The coastal area is humid and rainy, and the inland area has large temperature differences, putting forward high requirements for building structural stability and weather resistance. The local light gauge steel framing market is developing rapidly, and lightweight, high-strength and low-maintenance prefabricated buildings are increasingly favored by the market.

CBC light steel residential buildings have super seismic performance and environmental adaptability. The multi-layer composite thermal insulation and waterproof structure can cope with Chile's complex climatic changes. The standardized modular production reduces construction costs and shortens the project cycle, which is very suitable for local urban affordable housing, rural residential renovation and tourism supporting residential projects. With the continuous growth of South America's prefabricated building market, CBC products will have stable and long-term market development space in Chile and surrounding regions.

 

6. Project Summary & Market Outlook

The Ghana 4-storey multi-unit light steel residential project is a mature and replicable standardized product of CBC, integrating safety, comfort, energy saving, environmental protection and cost performance. The diversified apartment layout, high-standard material configuration and modular prefabricated construction mode make the product highly adaptable to tropical and subtropical overseas markets.

Facing the huge housing shortage and infrastructure upgrading demand in Southeast Asia, South Pacific and South American markets, CBC light steel residential products rely on superior structural performance, efficient construction mode and competitive cost advantages to solve the common pain points of long construction cycle, poor durability and high maintenance cost of local traditional buildings. In the future, CBC will continue to optimize product customization solutions according to the climatic characteristics and building standards of different regional markets, further expand overseas market share, and provide high-quality, efficient and reliable prefabricated residential construction solutions for global customers.