Prefabricated Apartment Manufacturer

Sunnyda Prefabricated Apartment

Sunnyda is a leading prefabricated apartment manufacturer in China. Our detailers can succeed in a one-stop solution and reliable prefabricated apartment. At Sunnyda, can build and render prefabricated apartment to keep your outstanding and unique projects.

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Sunnyda is one of the most trustworthy prefabricated apartment suppliers and manufacturers in China. We implement over 10 years of a prefabricated apartment manufacturer in China and have the capability to offer an outstanding service of a prefabricated apartment to each customer.

Sunnyda can achieve a disciplined custom-made performance according to certain orders. We have included global certifications, that involve CE, BV, SGS, ISO9001 certification.

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Whether they demand compact, or satisfactory for unique accomplishments, Sunnyda can give a well-defined solution to support your project’s specs. We can achieve all your prefabricated apartment demands.

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Sunnyda is your leading prefabricated apartment manufacturer!

Prefabricated Apartment

Table of Contents

Introduction
Q1: What Are Prefabricated Apartments?
Q2: What Are The Applications Of a Prefabricated Apartment?
Q3: What Benefits Are Associated With Prefabricated Apartment?
Q4: What Are The Best Design Practices Used In The Prefabricated Apartments?
Q5: What Materials Are Used For Prefabricated Apartments?
Q6: What Are The Types Of Prefabricated Apartments?
Q7: What Are The Fabrication Process Of Prefabricated Apartments?
Q8: Are Prefabricated Apartments Economic Than Site-built Construction?
Q9: Is Third Party Inspection Accepted By The Manufacturer Of Prefabricated Apartments?
Q10: Does Manufacturer Offer Prefabricated Apartments Mass Customization?
Q11: Can Prefabricated Apartments Have Custom Designs?
Q12: Are Prefabricated Apartments Durable?
Q13: Are Prefabricated Apartments More Safe On-site?
Q14: Are Prefabricated Apartments Load Resistant?
Q15: Are Prefabricated Apartments Soundproofing?
Q16: Does Manufacturer Provide Fire Resistant Prefabricated Apartments?
Q17: What Are The Assembly Steps Of Prefabricated Apartments?
Q18: Are Prefabricated Apartments Complies To International Building Codes?
Q19: What Are The Standards Of Prefabricated Apartments?
Q20: What Covers The Warranty Of Prefabricated Apartments?
Q21: Do You Deliver Prefabricated Apartments Internationally?
Q22: How Long Does It Take To Deliver and Install A Prefabricated Apartment?
Q23: How Much Cost A Prefabricated Apartment In China?
Q24: Why China Prefabricated Apartments Are Preferred?
Q25: Why Choose Sunnyda Prefabricated Apartments?
Q26: Request A Free Quote or Consultation!

Introduction

Prefabricated apartments are becoming essential for improving the speed and cost of house building, while they play a pioneering role in promoting building sustainability.  The purpose of this document is to provide readers with comprehensive insights into prefabricated apartments applications, housing benefits, design, best manufacturing practices, materials used, features, assembly method, and much more…

Q1: What Are Prefabricated Apartments?

Prefabricated apartments are designed and manufactured off-site using prefabrication methods, which consists of producing all components or modules in the factory and delivering them ready to be assembled in the intended site and joined using inter-connections after placement. Prefabricated apartments are equivalent to site-built construction methods; they can be virtually designed to suit any building application in size, style, layout, configurations.

The best manufacturing practice and the highest quality materials are utilized; all units come pre-built with all required components including walls, cladding, roofs, floors, external facades, doors, windows, cupboards, etc. In addition to that, all elements can be customized to suit the specific project functional and aesthetics requirements.

Prefabricated apartments are widely used for single dwelling, housing buildings, as well as high-rise towers, because they allow significant cost saving and rapid construction of large numbers of buildings at an economic cost.

Q2: What Are The Applications Of Prefabricated Apartments?

Prefabricated apartments are becoming more popular across all types of residential and non-residential construction; they are a cost-effective solution to meet the enormous demand for housing and respond to the rapid growth of cities. The rapid mass production of prefabricated apartments allows investors to reduce construction costs and speeds up project delivery. Below are the most common applications of prefabricated apartments.

Residential Buildings

Prefabricated apartments are a cost-effective solution to built low, mid and high rise residential buildings, blocks of flats, multi-family structures, multistory apartment complexes, hotels, and any other building type. The mass production of prefabricated apartment buildings makes residential construction radically cheaper; it minimizes the layers of contractors, and maximizes the efficiency of units. The most sophisticated, tailor-made and factory-finished units can be delivered on time and within budget.

Skyscraper

Skyscraper developers are now striving to maximize floor areas, increase land value and realize a faster return on investment, prefabricated apartments are increasingly gaining popularity in high rise off-site construction, they streamline the construction process and lower significantly the overall costs; they are used to build the world’s tallest towers, 90% of the skyscraper are built off-site in the form of prefabricated apartments and offices, this type of apartments are delivered ready to be joined on-site as per the project plan, each unit features robust floors, walls, ceilings, rafters, roofs, glass cladding, multi-colored metal panels, external façade glazing, painting, tiling, cabinetry, electrics, plumbing and more.

Retail Building

Prefabricated apartment buildings can be designed and manufactured to serve a variety of commercial buildings such as shopping complexes, convenience stores, corporate headquarters, retail facilities, government buildings, banks offices, health care buildings, dormitory, hospitality, and all other types of mixed-use buildings.

Housing

Today’s prefabricated apartments are used almost in all new housing such as townhouses, turnkey ready homes, single-family buildings, villas, MEP plant room solutions. State-of-the-art prefabricated apartments can be built in a factory-controlled environment, they are highly engineered to offer high performance and last for decades without maintenance. A variety of modern features, amenities, floor plans, building materials, and customization options are provided to suit all requirements and respond to all building codes.

Emergency Response Buildings 

Housing is a priority in emergency events such as hurricanes, tornadoes, flooding, harsh weather and other natural disasters. Prefabricated apartments can provide convenient temporary housing solutions for refugee camps, disaster relief centers, emergency services crew shelters, workforce housing, medical field and military bases. They are easy to install and can be added to existing buildings. They are designed to ensure safety, a healthy environment and adequate sanitation.

Q3: What Benefits Are Associated With Prefabricated Apartments?

Using prefabricated apartments offers numerous benefits for business owners and end-users as follow:

Faster construction

This type of offsite construction enables greater flexibility on the project construction schedule, more than 90% of the construction works are made off-site in a couple of weeks rather than months, while the remaining activities such as joining and finishing can be made on-site on two to three weeks. Compared to traditional building methods, opting for prefabricated apartments takes less 50% of the time spent on-site. Furthermore, prefabricated apartments can be built as per the project’s specifications, components come either in prefabricated block modules that are ready to be connected quickly; or as entire apartments that need to be stacked into place.

Due to mass production, prefabricated apartments eliminate delays that can be caused by subcontractors or weather factors.

A greater degree of profitability

Nowadays, using prefabricated apartments is a financially smart decision; it helps cutting down construction costs of labor, materials, equipment, methods and utilities, these methods enable project developers to have more control on a budget, while, shorter construction times allow an earlier occupancy and increase significantly project profitability.

Quality

To ensure conformity to local and international building codes and respond to LEED requirements, prefabricated apartment buildings are built in a quality-controlled manufacturing environment that comply strictly with international standards and regulations.

The sub-assemblies of the structure are built indoor by an experienced crew; all components are closely supervised at each process throughout the entire fabrication, while all materials are tested and pass through several quality checks and inspections.

Flexibility

The main benefit of prefabricated apartments is the flexibility of construction and design, they offer a limitless number of design opportunities and enable meeting all engineering challenges. They have been used for the world’s tallest modular towers and hotels, a great variety of customization options that suit any building type are offered. In addition to that, prefabricated apartments can be easily assembled and reconfigured with minimal alterations to the exterior, they can be also disassembled and relocated to different sites as needed, while, the houses and villas built with prefabricated blocks can be expanded when needed.

Environmentally Friendly

Compared to site-built apartments, prefabricated apartments uses an environmentally friendly manufacturing process that reduces waste of building materials such as concrete, bricks, cement, wood pallets. Energy-efficient systems are used to maintain a comfortable temperature and energy-efficient passive designs such as high R-value insulated walls, geothermal systems, energy-efficient glass, and solar panels.

Prefabricated sub-assemblies are manufactured in a factory that uses green technology to reduce carbon footprint, minimize expended energy and conserves natural resources. The extra materials left after fabrication is recycled in-house, instead of sending construction waste to a landfill.

Q4: What Are The Best Design Practices Used In The Prefabricated Apartments?

Today, the prefabricated apartments industry is driven by cutting-edge design technologies such as Building Information Modeling (BIM), IconSystem, Modular Test Fit (MTF), Computer-Aided Design and Manufacturing (CAD-CAM), and Computer Numerical Control (CNC), these technology tools are essential to digitally design the most creative prefabricated apartments, ensure budget planning and speed up the process of mass production and standardization of all components. Careful planning and sharing of accurate data are crucial to the design process of large and complex prefabricated apartment buildings.

3D prefabricated apartments design, drawings, Augmented Reality (AR) and Virtual Reality (VR) can be created to enable clients to interact with the real building environment. Each unit is designed to offer a modern interior with spacious open floor plans with ample natural daylight. All prefabricated apartment buildings are designed in compliance with international and national buildings codes and can be submitted to customers for permitting approval.

Q5: What Materials Are Used For Prefabricated Apartments?

High-quality materials are used to improve the durability, performance and sustainability of prefabricated apartments as below:

Steel

High strength to weight ratio steel framing is used to form low, mid and high-rise prefabricated apartment structures, framing is made mainly from I-beams, steel columns, U sections; square tubes, girders, etc. Galvanized light gauge cold-formed steel sections is the preferred steel material used for prefabricated apartment buildings, they are used to form the roof, structural panels, volumetric systems, infill or continuous walling systems and other modular applications. They offer high structural strength, load resistance, lightweight, and high levels of airtightness and good thermal insulation can be achieved through it.

Compared to concrete and block-work construction, steel prefabricated apartments reduce building self-weight by over 60%, which lower foundation sizes and loads significantly.

Insulation

Structural Insulated Panels (SIPs) are used for prefabricated apartments roofs, walls or floors, expanded polystyrene (EPS), extruded polystyrene, rigid polyurethane foam or cross-laminated timber CLT are the most commonly used insulation types. Using panelized systems for prefabricated apartments increase thermal and soundproofing performance, and reduced energy expenditures. Structural insulated panels are made from durable and lightweight materials.

Walls

A wide range of robust and lightweight walls are available to form the interior and the exterior of the prefabricated apartment buildings, this includes load-bearing walls, infill or continuous walling systems, EPS cement sandwich panels, non-load bearing facades, exterior sheathing, cladding, facade glazing and more.

Utility Connections

Prefabricated apartments come fitted with all electrical, plumbing and mechanical systems connections.

Other features

A comprehensive selection of flooring, doors, windows, cupboards, lighting, restroom fixtures, HAVC systems and more affordable customization options are provided.

Q6: What Are The Types Of Prefabricated Apartments?

In general, prefabricated apartment buildings are designed and manufactured off-site either in the form of non-volumetric components or as volumetric units.

Volumetric Units

The volumetric construction method is widely used for large prefabricated apartment buildings to speed up project delivery, improve productivity and ensure high-end design and finishing. This method involves using volumetric modular units that are prefabricated off-site and form complete apartments that can be connected together on-site to form a single building without the need for any superstructure work. All units are carefully craned into position on prepared foundations.  Modules are made from steel and come equipped with walls, cladding, roofs, internal finishes, doors, windows, glazing systems, they are also pre-fitted with all needed mechanical, electrics and plumbing systems. According to its size prefabricated apartments can be made from one or two modules.

Despite the transportation cost of volumetric units, it should be noted that the total construction cost is generally less than traditional on-site construction.

Non-volumetric modular construction

Non-volumetric modular construction involves the prefabrication of sub-assemblies that are assembled in the factory and delivered ready for installation to shorten the construction process and drive building large volumes. These components include steel frames, beams, columns, cladding, panel systems, roof trusses, wall panels, interior partitions, floor systems, sections of building external façade, etc.

According to the project requirements, prefabricated apartment buildings can be made from a combination of volumetric and non-volumetric components; developers can use also both off-site and on-site construction methods.

Non-volumetric components are transported more compactly than volumetric prefabricated apartments, this reduces the transport costs significantly, on the other hand additional assembly and sealing work is required on-site, which increases the cost and time spent on finishing work.

Q7: What Are The Fabrication Process Of Prefabricated Apartments?

Lightweight steel is used for the main structure of prefabricated apartments; steel is shaped steel for beams, sections, columns and girders, etc. All structural components are cut, holes are drilled, and the steel surface is treatment against corrosion using galvanization.

The framework where wall, floor panels and ceilings are going to be attached is created and includes floor framing & decking, wall framing, roof framing/mounting ceiling.

All modular elements are fabricated in a quality-controlled environment including walls, floors, ceilings, and rafters.

During the general material assembly phase the following components are fixed:

Sheetrock walls and rough electrical.

Sheetrock ceiling with spray or batt foam and rough electrical.

Exterior sheathing and paneling.

Exterior plastic sheathing.

Electrical and plumbing outlets.

Installation of walls, siding, windows, doors, cabinets, tubs, moldings, etc.

Q8: Are Prefabricated Apartments Economic Than Site-built Construction?

Prefabricated apartments are a great alternative to traditional build construction methods, recently more projects are using prefabricated construction because it enables realizing up to 30% cost saving, this is because of the off-site bulk production that streamlines the process and offers more predictability and control on costs. The prefabricated apartment could cost between USD 90 and USD 100 per square foot, while built on-site apartment construction cost starts at USD 150 per square foot, in addition to the cost of mechanical, electrical and plumbing work.

Q9: Is Third Party Inspection Accepted By The Manufacturer Of Prefabricated Apartments?

Yes, absolutely. Third-party inspection is accepted and can be conducted at the manufacturing facility; all prefabricated apartments shall be reviewed and inspected carefully prior to leaving the factory by a state-licensed third-party company, this will ensure all requirements are met, and all components are compliant with local and international building codes.

Q10: Does Manufacturer Offer Prefabricated Apartments Mass Customization?

Yes, absolutely. Mass-customized prefabricated apartments can be provided based on computer-aided design and web-based prefabrication technology; this methodology enables producing state-of-the-art prefabricated apartments that meet client’s requirements in terms of design, size, configuration, and specifications, while it offers a great potential to lower the unit cost, increase quality and shorten construction time.

Q11: Can Prefabricated Apartments Have Custom Designs?

Yes! Absolutely, despite the size or complexity of the prefabricated apartment buildings, reliable and aesthetically pleasing prefabricated apartments can be custom designed to suit customers’ exact specifications. World-class design can be provided using 3D design configuration. A variety of custom space configurations, shapes, features, materials, interior and exterior finishes and fixtures can be selected and integrated into every prefabricated apartment building. A wide range of customization options are available to choose from including but not limited to the following:

Cladding.

Roof trusses.

Ceiling.

Wall panels.

Exterior and interior walls

Interior partitions.

Floor systems.

Flooring

Sections of building façade.

Facade glazing.

Windows.

Doors.

Paints and stains.

Q12: Are Prefabricated Apartments Durable?

Prefabricated apartments are more durable than traditional building method where all process occurs on-site, the prefabricated apartments are produced to the high standard in an indoor quality controlled factory. The highest strength steel frame is used to provide maximum structural integrity, all structural steel surfaces are protected against corrosion using different galvanization techniques, anti-rust paint or electrodeposition. While, the strongest building materials are used to ensure the apartment’s structural system can withstand the test of time for decades.

Safety

Q13: Are Prefabricated Apartments More Safe On-site?

Yes, absolutely. Transferring 90% of the construction work offsite improves the safety of on-site working conditions by eliminating construction-related hazards such as accidents, injuries, falls. Prefabricated apartments comply with OSHA residential construction hazards regulations. All safety precautions and installation instructions are provided.

Q14: Are Prefabricated Apartments Load Resistant?

Yes, prefabricated apartments are load resistant, all structural analyses and calculations are performed to determine the effects of different loads on the prefabricated apartment structure. Prefabricated apartments should have sufficient rigidity and structural resistance to support horizontal forces loads such as the apartment load or loads imposed from above floors, bearing walls, and other components. The prefabricated apartment can withstand high elasticity during earthquakes up to magnitude 9.0 while it can absorb maximum wind turbulence and snow load.

Q15: Are Prefabricated Apartments Soundproofing?

Yes, absolutely. Sound insulation materials are used to achieve good levels of soundproofing, and block sound waves from traveling to adjacent spaces. However, while sound absorption materials are used to absorb echoes inside a space; high-quality soundproofing materials are used also to protect customers’ privacy from outdoor traffic noise.

Prefabricated apartments shall be made in compliance with urban residential noise levels standards that generally range from 45 dB at night to 55 dB during the daytime, location and surrounding environment are also taking into consideration to create a calm and comfortable living space.

Q16: Does Manufacturer Provide Fire Resistant Prefabricated Apartments?

Yes, prefabricated apartments are fire-resistant, they are made using a variety of non-combustible steel frames, fireproofing materials and fire-rated composites and panels. Prefabricated apartments are designed and manufactured as per ASTM’s fire and flammability standards, fire resistance tests are also conducted according to ISO 834-1975 Fire resistance test – Elements of Building constructions requirements.

Q17: What Are The Assembly Steps Of Prefabricated Apartments?

The prefabricated apartment comes ready to be installed on-site either in the form of sub-assemblies or complete assemblies, final completion and installation is handled by a local contractor who will manage all site preparation, foundations work, modules connections, and all remaining interior and exterior final finishing work. Prefabricated apartments are delivered to the site either by rigid or articulated HGV, depending on the project size; the prefabricated apartments can be offloaded and placed by a crane to a pre-built foundation or through simple mechanical methods.

Manufacturer provides all needed support to the project contractor throughout the entire process from start to finish.

Q18:  Are Prefabricated Apartments Complies To International Building Codes?

Prefabricated apartments are designed, manufactured and constructed in compliance with the international building code, International Residential Code (IRC), (IBC), HUD building codes, and International Energy Conservation Code (IECC). Prefabricated apartments fulfill all local permitting requirements in terms of Mechanical Code (IMC), Electrical Code and provisions, Plumbing Code (IPC) and Fire Prevention Code. All building codes requirements are considered including design, materials specifications, walls and roof construction, interior finishes, fire protection systems and protection of public health, and welfare.

Q19: What Are The Standards Of Prefabricated Apartments?

Prefabricated apartments industry is subject to a series of internationally agreed standards that set design, manufacturing specifications, processes, technical requirements and best practices for effective and efficient apartments that respond to global construction challenges.

ISO Standards For Construction

Prefabricated apartments should be designed, engineered and installed as per ISO standards for construction which covers every component and construction process, quality, safety and sustainability standards.

ISO/TC 98

ISO/TC 98 standard specifies the basic requirements for the design of prefabricated apartments structures, it ensures units can withstand maximum loads of natural forces such as extreme weather events and disasters.

ISO/TC 167

Prefabricated apartments steel structures shall comply with the requirements of ISO/TC 167 for the design, fabrication and erection of steel structures, structural components, connections and materials used.

ANSI Standard (ANSI 1205)

This standard sets comprehensive standards for off-Site residential and commercial Construction, it addresses how prefabricated apartments components, assembly and on-site final building should be inspected and approved.

ANSI Standard (ANSI 1200)

Prefabricated apartments shall comply with ANSI 1200 standard that determine Off-Site construction process including planning, design, fabrication, transportation and assembly of residential building components.

CSA A277 standard

A277-16 specifies the procedure and requirements for the certification of prefabricated apartments used to construct buildings of any occupancy, it sets the quality standards and in-factory inspection for all components, modules and panels constructed of any material.

UL- 2600

This National Standard of Canada is developed by Underwriters Laboratories Inc. (UL) and provides safety and quality management requirements for prefabricated apartments (relocatable modular-built structures) that are designed and built in an approved offsite manufacturing facility, and then transported to a location to be assembled, and utilized for the housing, lodges, hotels, offices, and schools.

Q20: What Covers The Warranty Of Prefabricated Apartments?

Most prefabricated apartment’s manufacturers offer an extended warranty that covers the following components:

Structural systems: 1 year warranty.

Mechanical systems: 1 year warranty.

Electrical outlets: 1 year warranty.

Plumbing outlets: 1 year warranty.

Workmanship: 1 Year warranty.

Defective products: 1 Year warranty.

Other components: Supplier warranty is provided for roofing materials, walls, floor coverings, interior and exterior materials, doors, tubs, moldings, HVAC, fixtures, etc.

Q21: Do You Deliver Prefabricated Apartments Internationally?

Yes, we deliver prefabricated apartments Worldwide; we provide the best shipping terms and rates. Contact us now for more information.

Q22: How Long Does It Take To Deliver and Install A Prefabricated Apartment?

Prefabricated apartment buildings can be delivered in 4 to 6 weeks from the date of order, while the onsite construction phase can be completed in a few days.

Q23: How Much Cost A Prefabricated Apartment In China?

In China prefabricated apartment cost ranges from USD 30 to USD 99 per square, costs varies depending on numerous factors such as size and customization options required. Contact us now, we can develop a prefabricated apartments building that meets your budget and requirements.

Q24: Why China Prefabricated Apartments Are Preferred?

China is the World leader in the prefabricated housing industry; Chinese manufacturers can design, manufacture and export the most cost-effective and more reliable prefabricated apartments and modular housing to the construction industry, they can develop not only single prefabricated apartment buildings but also large towers and residential projects in few weeks.

Despite the recent uncertainties, the demand is slightly increasing for China’s prefabricated apartment buildings and expected to observe a continuous growth and reach 698.2 billion in 2030; this is due to the highest quality provided, modern design, sustainable materials, and ability of Chinese manufacturer to meet overseas clients’ requirements, project deadline and budget.

The future of housing is in the off-site construction industry, China prefabricated apartments manufacturers’ are recognized internationally for their continuous efforts to provide the most beautiful living spaces that can accommodate the needs and requirements for sustainable and green prefabricated apartments that can be used for housing, hotels, hospitals, and mixed-use buildings.

Q25: Why Choose Sunnyda Prefabricated Apartments?

At Sunnyda we go beyond the prefabricated apartments industry and off-site construction standards; we build the future of housing. We design, engineer, manufacture and export the most cost-effective, resource-efficient and code-compliant prefabricated apartments that are built in a quality-controlled factory.

Whether you are looking for prefabricated apartments for single-story buildings or multi-story skyscrapers, Sunnyda can design the most iconic buildings and manufacture the highest quality prefabricated apartments for regular or luxury applications. We utilize the latest technology design software and automated machinery, we use the most durable, sturdy and sustainable materials to maximize home performance and minimize environmental impact. Furthermore, we provide a wide range of customization options that includes materials, insulation, interior and exterior façade design, finishes, fixtures, and more.

We designed and manufactured prefabricated apartments for various industries including residential, multifamily, hospitality, commercial, education, healthcare, government and private sectors.

Our prefabricated apartments are CE Marked and covered by Harmonised Standards under European Construction Products Regulations. We are also certified by the following international standardization bodies:

• ISO9001:2015 – Quality Management System.
• ISO14001:2015 – Environmental Management System.
• Bureau Veritas Certification.

Q26: Request A Free Quote or Consultation!

Contact us today, our team will help you build the highest quality prefabricated apartments and save over 30-50% of the cost and time.