Contact Us
  • Address Varyap Plaza Kat.1 No.172 (Esenyalı Mh. Uygar Sk & Barış Sk. No:61 34903 Pendik / İstanbul)
  • E-mail
Follow Us
Contact Us +90 216 652 10 07
About Us
Alkon Çelik Yapı A.Ş., with its 14 years of knowledge and experience in the building sector, provides engineering, project designing, marketing, production and assembly applications of corporation and individual purpose steel structures, prefabricated buildings and modular structures.
Fields Of Activity
Prefabricated and Steel Houses
Prefabricated and Steel Houses
Prefabricated and Steel houses are prefabricated structures that can be produced in a shorter time and can be assembled faster compared to conventional structures. So the construction costs are lower, yet they are structures with high material qualit...
Light Gauge Steel Structures
Light Gauge Steel Structures
Light gauge steel (LGS) structures are the best alternative to conventional reinforced concrete structures. LGS buildings have the characteristic of being modern and useful with both the wall types and finishes that are the result of their structural...
Construction Sites and Camp Buildings
Construction Sites and Camp Buildings
Construction sites and camp structures as pre-produced structure that can be easily shipped and can be easily installed on site all over the world; It enables the creation of living spaces of a certain standard for employees in all projects, especial...
Office and Administration Buildings
Office and Administration Buildings
Office and administration buildings are planned and built according to the requirements for the functioning of the works and the needs of the employees in management in order to manage the projects. These buildings can be used as management buildings...
Education Buildings
Education Buildings
In education, if there is a fast, flexible and safe building need, the best solution can be prefabricated building and light gauge steel building. These buildings are architecturally aesthetic as they protect both students and teachers from external...
Health Buildings
Health Buildings
It became easier for people to access healthcare services with these buildings in every region needed. The establishment of buildings that are easily accessible to every neighbourhood in the cities and every residential unit in the countryside, accli...
Military Buildings
Military Buildings
They are steel buildings that increase military operation capability and reduce security risks for the security of countries. These buildings can be established in any geography and in any climatic conditions. The buildings serve both as a logistics...
Containerized Buildings
Containerized Buildings
Containerized modular buildings are the most effective solutions to meet both individual and social needs. Containerized modular buildings can be used as independent containers of 2.40x6.00 meters or 3.00x7.00 meters, or can be unified of multiple co...
Security Cabins
Security Cabins
Security cabins, as an element of city life, are produced for the security needs arising in building complexes, private properties, schools, factory sites and storage areas. These cabins increase both the productivity and the quality of work of the s...
Modular Buildings
Modular Buildings
Module Buildings give an opportunity to take the comfortable life you are used to wherever you want. With the module buildings, you can find the opportunity to experience comfort and aesthetics in nature, in the countryside, on the seaside, in the up...
Productıon Systems
Light Steel Carcass Cassette – Outer Facade
Light Steel Carcass Cassette – Outer Facade
Due to their light weight, ease of transportation and installation, cost-effectiveness, greater resistance to environmental impacts, consistent quality resulting from factory pre-production, and suitability for repeated installations, these materials have been highly favored. Rollformed light steel...
Light Steel Carcass Cassette – Inner Facade
Light Steel Carcass Cassette – Inner Facade
Our structures, consisting of wall panels, truss panels, ceiling panels, roof panels, and load-bearing columns, are assembled and prepared using a bolt system. After being combined into wall panels and covered with finishing materials, they form flat walls. Light steel building profiles, manufacture...
Carcass Panel System
Carcass Panel System
Prefabricated Buildings consist of panels with a width of 125 cm and a height of 250 cm, 280 cm or 300 cm as standard. C and U steel profile sections and steel carcass are formed on these panels in rollform machines. The interior of this carcass structure wall is filled with rock wool insulation or...
Sandwich Panel System
Sandwich Panel System
Sandwich panels are a building material consisting of roof or facade panels produced by applying polyurethane, rock wool or EPS insulation materials of various thicknesses and densities between painted galvanized sheets on both sides. In sandwich panels, the sheets on both surfaces are painted wi...
Press Panel System
Press Panel System
Press panels consist of 125 cm wide and 250 cm, 280 cm or 300 cm high panels as standard. Insulation material in these panels is provided with 16 kg / m³ density polystyrene foam (eps). Polystyrene foam is prepared in the same size as the sheets on the outer layer and combined by holding it under a...
Containerized Structure System
Containerized Structure System
They are ready-made structures consisting of a floor platform, carrier corner profiles and roof construction using galvanized steel special profiles. The walls are formed from sandwich panels and all the elements are joined and fixed with bolts and nuts. Container building system is modular struc...
Cabin Structure System
Cabin Structure System
Cabin structures are insulated and ready-to-use structures built on a chassis platform made of galvanized steel, used for purposes such as security cabin, parking lot payment point, buffet, taxi stand. Building roof structures are also produced from galvanized steel. Walls can be sandwich panels, pr...
Light Gauge Steel Structure System
Light Gauge Steel Structure System
The frame structures of light gauge steel buildings are created with the structural profiles obtained by taking the shape of galvanized sheet strips in rollform machines. While the exterior of this carcass structure is covered with cement-based chipboard, the gap between the profiles is filled with...
Industrial Structural Steel System
Industrial Structural Steel System
The industrial structural steel system consists of structural steel materials used in the installation of industrial facilities such as warehouses, hangars, factories, pipe-rack structures. Structural steel materials are prepared with Alkon Steel quality with pre-production as structural elements su...
Modular Structures Steel System
Modular Structures Steel System
Module Structures are steel structures which prioritize architectural elegance that can be produced in ready-made modules from the factory and shipped to your land or site. It can be produced as a small house style as a single module, or larger living spaces can be created with the combination of mu...
Choose Your View, We Plan Your Home
Choose Your View, We Plan Your Home
İntegrated Process
Curious About
What Are You Curious About Our Structures?

QUESTION: What is a light gauge steel (LGS) and prefabricated building?
ANSWER: They are ready-made structures where all wall carcass, insulation and covering materials are prepared in the factory environment, transported to the site where they will be assembled. Light steel profiles are used as the main carrier system, materials that are resistant to natural conditions on exterior and interior facades, and insulation materials with high insulation value are used.

QUESTION: How are the light gauge steel (LGS) or prefabricated building construction processes?
ANSWER: The light gauge steel (LGS) and prefabricated building plan are prepared in line with the demands of our customers, the climatic conditions of the region where it will be installed and the materials to be used according to the choice of our customers are determined. The prepared plan and technical details are clarified and a contract is made. Production is completed in the process specified in the contract, the building is shipped, assembly is done by our professional teams.

QUESTION: Who gets the license for light gauge steel (LGS) or prefabricated buildings?
ANSWER: Our customers obtain the licenses for light gauge steel (LGS) buildings. For the license, an engineering office (architectural project, electrical project, plumbing project, mechanical plan) is prepared in the region where the building will be established, and the legal permit application is made by your architect.

QUESTION: How many floors can light gauge steel (LGS) buildings or prefabricated buildings be built?
ANSWER: It is usually built with one, two or three floors. Even 4 floors are available. Special optional floor requests are evaluated.

QUESTION: Can our projects convert to light gauge steel (LGS) or prefabricated type buildings?
ANSWER: Since light gauge steel (LGS) buildings consist of carcassed wall modules, we can work close to your projects. It is similar for prefabricated buildings.

QUESTION: Are light gauge steel (LGS) houses or prefabricated built only for summer house or second house purposes?
ANSWER: Light gauge steel (LGS) buildings are alternative to concrete buildings. Since the production of light gauge steel (LGS) houses is made considering the regional climatic conditions, you can easily use them in 4 seasons. Prefabricated buildings can be used all year too.

QUESTION: Can tile ceramic applications be applied to the walls of light gauge steel (LGS) or prefabricated buildings?
ANSWER: It can be done. The only thing that needs to be considered is that adhesives with elastic properties should be used.

QUESTION: Painting etc. on the walls. can it be hung?
ANSWER: You can hang tables by screwing on the walls, but heavy accessories should be screwed to the carrier profiles. 

QUESTION: Can we do the painting process ourselves in light gauge steel (LGS) or prefabricated buildings?
ANSWER: We do not recommend it at the first painting for light gauge steel (LGS) buildings or prefabricated buildings as the joint elements or outer covering joints are siliconized before the painting process.

QUESTION: How can we find out the technical properties of the materials you use?
ANSWER: You can get detailed information from our website or by contacting our office.

QUESTION: What is included in the prices given for light gauge steel (LGS) or prefabricated buildings?
ANSWER: Light gauge steel (LGS) structures or prefabricated building structures are delivered to advanced rough. Light gauge steel (LGS) building's wall carcasses, wall coverings, insulation, connection elements, ceiling, ceiling insulation and roofing material, supply of exterior and interior doors, windows, transoms and glasses, interior and exterior paint, electrical and water installation in the building, installing lamps, sockets, vitrified the supply of fixtures are included.
Note: Since the tile and ceramic processes in light gauge steel (LGS) or prefabricated buildings belong to the buyer, the installation of sanitary ware is done by the buyer.

QUESTION: What should the customer do in light gauge steel (LGS) or prefabricated buildings?
ANSWER: Making the ground concrete and all kinds of excavation, landscaping, floor and wall coverings (screed, ceramic, tile, etc.), light gauge steel (LGS) or prefabricated  building external connections (electricity, waste water, clean water), permits and license procedures to be obtained from the municipality, heating and cooling installations (such as radiators, air conditioners etc.), accommodation and catering costs of our assembly team in installations outside of Istanbul in Turkey, transportation and transportation insurance of the materials belong to our customer.
Note: Assembly out of Turkey is not included in scope. If needed, supervisor can be send to the site. In this case visa, return plane tickets, transfer two directions between airport and site, accommodation, catering, security and health service of supervisor’s will be under responsibility of customer.

QUESTION: Can light gauge steel (LGS) or prefabricated buildings produce different insulation solutions for cold regions?
ANSWER: Insulating materials on the outer walls can change and the wall thickness is increased when necessary. Sheathing application can also be made to the exterior if requested.

QUESTION: What is the approximate usage period of light gauge steel (LGS) or prefabricated buildings?
ANSWER: Therefore the life of the materials used in light gauge steel (LGS) buildings, a minimum life of 70–75 years is given for the buildings. It is about 50-55 years for prefabricated buildings. To use building in a healthy way, the maintenance has to be done periodically.   

QUESTION: How many days are the delivery times of light gauge steel (LGS) buildings.
ANSWER: Depending on the production schedule of an average 100m² single-storey building, the production takes around 20–25 days and the assembly process takes around 30–45 days.

QUESTION: How is the payment for light gauge steel (LGS) buildings?
ANSWER: Advance payment is necessary to start the production period. 40% cash is received to start work at the contract stage, and the remaining balance is collected at the production stage before loading. Documentary payment and term payment alternatives can be negotiated mutually.

QUESTION: With which vehicles can light gauge steel (LGS) or prefabricated buildings be transported?
ANSWER: Light gauge steel (LGS) or prefabricated structures can be transported by truck, DC or HC, ship, train or cargo plane.

QUESTION: Is there any shaking on the ground of the upper floors in multi–storey buildings?
ANSWER: Static calculations of light gauge steel (LGS) buildings are made according to certain standards and regulations (TS 648, TS 498, TS 11 372). Production takes place in line with these values. Therefore, there is a permissible amount of deflection in the intermediate floors. Intermediate section determinations are made by calculating an average of 250kg/m2 intermediate load in houses.

QUESTION: Can light gauge steel (LGS) or prefabricated structures be moved again after they are installed?
ANSWER: Light gauge steel (LGS) structures can be dismantled and moved to another place upon request. Since there will be disassembly assembly cost and 10% material deformation, additional material will be required. It is possible to make modifications in light gauge steel (LGS) or prefabricated buildings, if requested.

QUESTION: Do the materials used in light gauge steel (LGS) or prefabricated buildings have any harm to the environment and human health?
ANSWER: Light gauge steel (LGS) or prefabricated building materials do not contain any substances harmful to the environment and people. All materials used are produced in accordance with TSE/EN conditions.

QUESTION: Are light gauge steel (LGS) or prefabricated buildings earthquake resistant?
ANSWER: Light gauge steel (LGS) or prefabricated structures are produced considering the 1st degree earthquake zones. Since the building elements are connected to each other with screws and bolts, the collapse of the structure due to flexing during an earthquake is prevented.

QUESTION: Can I choose the paint colour of the light gauge steel (LGS) or prefabricated building myself? Or is there a fixed colour?
ANSWER: You can choose the colour you want from the paint chart we offer. 

QUESTION: How are light gauge steel (LGS) or prefabricated structures mounted on the ground?
ANSWER: Light gauge steel (LGS) or prefabricated structures are mounted on the concrete prepared by our customers with the help of steel dowels. Thus, the building is fixed to the ground concrete.

QUESTION: Where can I see the light gauge steel (LGS) and prefabricated sample buildings?
ANSWER: You may see light gauge steel (LGS) sample building at our factory located in Dilovası, Kocaeli, TR. You also may see prefabricated sample building at our showroom located in Esenyali–Pendik, Istanbul.

Steel And Prefabricated Building Disassembly And Assembly

Building Disassembly Details:

If there is a floor screed of the prefabricated building, it has to be broken and also if there is electrical, plumbing, heating and cooling system connections, they have to be broken and dismantled by owner before our team arrives. The transport and unloading of the disassembled building belongs to the employer.       

Lost materials of the dismantled building will be determined by our team, additional materials required for assembly will be notified to the employer, and additional costs of additional materials will be invoiced to the company, based on the employer's approval.

Building Dismantling Process Information:

* After dismantling, electrical cables and ducts, plumbing pipes and clean water piping will become unusable.
* During the disassembling of the structure, the base profiles will not be used as they remain under the screed concrete.
* Tiled panels in wet areas will need to be renewed in reassembly.
* Since ceiling coverings are sensitive materials, they may be broken while disassembling.

Building Assembly Details:

After the additional materials required for assembly are supplied, the assembly program will begin.
The rough assembly of the prefabricated building will be done by our team. Electrical, plumbing, heating and cooling installation and interior and exterior paint materials and application are not included in the assembly process.


* Providing the assembly team for disassembly on the date specified in the order,
* Disassembling of the steel or prefabricated building,
* Rough assembly of the prefabricated building after the missing materials are supplied from the manufacturer


* Transportation and transport insurance of building material, equipment and team,
* Dismantling all kinds of external and internal line connections of the building to be dismantled (electricity, plumbing, telephone, heating, cooling installation), before the team arrives,
* Obtaining the necessary missing materials from the manufacturer and to pay transportation costs,
* Disassembly and assembly of indoor electrical installation materials and applications,
* Disassembly and assembly of indoor plumbing materials and applications
* Interior, exterior-ceiling, metal parts painting and priming process, siliconization of joint elements,
* Ground concrete (it must be disposed according to the plan given to you), all kinds of excavation and landscaping works,
* Obtaining the necessary plans, projects and legal permits for the establishment of the building,
* Accommodation and catering costs of the assembly team in assemblies outside of Istanbul.
* Ensuring the security of prefabricated building materials against theft at the construction site.
* Ensuring the security of prefabricated building assembly materials against theft at the construction site.
* Supply of scaffolding and crane if necessary,
* Supply of electrical energy to be used during the dismantling and assembly of steel or prefabricated buildings.
* Making all kinds of insulation materials and workmanship between the prefabricated building and the floor concrete,
* Heating and cooling installations (heater, combi boiler, water heater, air conditioner, etc.),
* Screed concrete application on the floor after the prefabricated building rough assembly,
* Floor and wet area wall coverings (ceramic, PVC, parquet, marble, etc.),
* Telephone, computer (data) and UPS installations and fittings,
* Fire installation and fixtures (smoke detector, fire extinguisher, alarm system, etc.),
* Electric main distribution panel (electric meter, switchboard, main fuse, etc.) and grounding line,
* Prefabricated building external connections (electricity, waste water, clean water, etc.),
* Standard kitchen cabinet, bathroom cabinets, mirror, soap dispenser, paper holder etc. accessories,
* Environmental cleaning of the construction site at the end of the work.

Advanteges of Steel and Prefabricated Buildings

Since most of the steel or prefabricated buildings are prepared in the factory environment, they have short construction periods.
The assembly times of the steel or prefabricated houses produced in the factory (for a single-storey house of 100m²) are completed in a short period of 3–4 days.

Since the prices of steel or prefabricated houses are certain, you can predict the cost of a house you want to have built in advance.

Since prefabricated houses are ready-made structures, they are more economical than conventional concrete houses in terms of both time and cost.

Steel houses and prefabricated houses, which are manufactured by making static calculations during the production phase, are resistant to earthquakes and natural disasters.

Steel houses and prefabricated houses can be added, expanded and moved to a different location if desired.

Steel buildings and Prefabricated buildings do not contain any chemicals that harm the environment during assembly. Steel and prefabricated buildings established in a short time do not cause visual and noise pollution.

Providing energy savings by placing solar energy panels on the roof of steel or prefabricated buildings also provides significant advantages.

Steel structures and prefabricated structures can be installed on-site at any time of the year.

Due to the high thermal insulation of the material used in steel or prefabricated buildings, provides heat efficiency.

Steel or Prefabricated buildings can be settled in the house immediately with the advantage of being assembled in a short time.
Steel or Prefabricated structures are not affected by snowy, rainy, windy and sunny weather as they are produced in accordance with four seasons climatic conditions.

Concrete is not used in steel or prefabricated buildings, except for ground concrete (basement foundation).

Since the wall thickness of steel or prefabricated buildings is thinner than concrete buildings, they take up less space and provide more usage area.

In steel or prefabricated buildings, it is possible to have the house you want with different exterior options other than standard materials.

All building elements used in the planning of steel or prefabricated buildings are produced in harmony with each other and no deviations or disruptions occur at the time of assembly.

Steel houses and Prefabricated houses produced using the latest technology provide a healthy and comfortable living space.
In steel or prefabricated buildings, personal projects can be made with interior and exterior options, if desired.

Steel or Prefabricated houses are produced as single storey and double storey. By offering different options in single-storey and double-storey models, modern structures specific to the environment can be made.

In steel or prefabricated buildings, projects other than standard buildings can be made by making special studies specific to disabled people.

In steel or prefabricated buildings, changes can be made in the pre-production plan.

Steel or Prefabricated structures can be dismantled and assembled elsewhere.

Steel or Prefabricated buildings are not only used as residences, but also sales offices, office buildings, dining halls, dormitories, social facilities, school buildings, hospitals, schools. It is used in many areas such as mosques, masjids, sports facilities, emergency disaster buildings, WC-shower buildings and construction site structures.

The average life of prefabricated buildings is 50-55 years, steel buildings is 70-75 years.
Since steel or prefabricated houses have very little wear and tear, their maintenance and renewal costs are low.
Due to the advantage of dismantling and transporting steel or prefabricated buildings later on, they can also be sold as second-hand if necessary.

You can get clearer information about steel houses or prefabricated houses by visiting our houses in our showroom and asking questions to our experienced staff.