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Light steel structure for building construction gaining popularity.

Light steel has been widely used for truss, wall structure, floor and roofing to replace wooden materials. Using steel structure has a number of advantages such as being light, stronger, anti quake, fire resistant, anti termite and anti corrosion, flexible and more esthetic.

The basic material for light steel frames is galvanized steel both in sheet or hollow forms. Galvanizing is generally made with zinc and aluminum. Steel frames are used for various purposes in building such as for truss (roof frame/ truss), wall frame, partition and ceiling frames, roofing, and floor frames that the entire building is like prefabricated.

Prefab houses are have been used widely in advanced nations like the United States, Canada and Japan. In Indonesia, prefab houses are not yet popular.

Steel frames and steel roof give houses the impression being modern, simple and practical suitable for minimalist architecture.

Infrastructure buildings of the government like airports, railway stations, sport stadiums and private building like hotels, shopping malls, warehouses and other property buildings like apartments and houses have all use light steel.


Light steel structure industry is also called roll forming structure processing coated metal especially galvalum into profile in the form of sheet and hollow pipes.

The number of producers of light steel structure is quite many and has expanded from time to time. Among the players operating since the 1970s are PT. Bluescope Lysaght Indonesia, PT. Union Metal, and PT. Jaindo Metal Industries.

In the 1980's that was in 1981, PT. Azuma Agung Murni came on line to increase the number of players in the business. Other players such as PT. Cahaya Benteng Mas and PT. Tata Logam Lestari started operation in the 1990-an. PT. Cahaya Benteng started as a trader of coated steel products before building its factory.

In the 2000s or in 2000, PT. Prima Icon Steel joined the players to compete in the market.

The growing number of producers followed growing demand for light steel building materials.

Among he players only PT. Bluescope Lysaght Indonesia has factory integrated with coated metal facory or galvalum factory. PT. Bluescope Lysaght is a subsidiary of the Australian steel giant Bluescope International.


The main markets of light steel frames in the country are Java, Sumatra, and Kalimantan. Producers generally have distributors to handle their marketing. Players like PT. Jaindo Metal Industries and PT. Tatalogam Lestari have their won distributors mainly in large cities in Java, Sumatra, Kalimantan, and Sulawesi.

PT. Tatalogam Lestari has 38 distributors in 27 cities, PT. Jaindo Metal Industries has 29 distributors and. PT. Atap Teduh Lestari has 12 distributors.

Players not having distributors rely on sales agents, which have no binding agreement with producers.

Basic materials

The basic material for roll forming industry is Galvalum. Galvalum is produced from coated steel such as one coated with aluminum, zinc, and silicon. The composition of the coating material is made up of aluminum 55%, zinc 43.5% and silicon 1.5%.

The galvalum could be colorless or painted with a thickness of 0.20 mm bmt-1 mm bmt and width of 762 mm to 1,219 mm.

Indonesia has only one producer galvalum PT. Bluescope Steel Indonesia, which was established in 1995 located in Cilegon, Banten.

PT. Bluescope Steel Indonesia has an annual production capacity of 100,000 tons of colorless galvalum and 54,000 tons of painted galvalum

Types and uses of light steel structure in buildings.

Types of light
steel structure Description

Roof Frame/ truss In the form of truss to support tiles.
 Could be designed at factory,
 construction site.

Wall Frame Profile already has holes for binding
 with rivets.

Partition and Ceiling Frame can be direct fixing or
ceiling frame suspended, drop ceiling, universal
 ceiling frame functions as top cross
 and metal furring

Roofing Constituting corrugated roof sheet
 functioning as tile roofing

Floor frame Floor frame is used for storied
 houses or stage houses.

Prefab house Houses with certain module built like
 ordinary houses (from one floor to
 low rise house) with part of the
 components ready for use from

Source: Data Consult

Producers of light steel frames for construction

Players Products Brands

PT. Bluescope Roof Truss LYSAGHT
Lysaght System, SMARTRUSS[TM],
Indonesia LYSAGHT

 Roofing & LYSAGHT
 Walling System KLIPLOK[R] 406,

 Structural LYSAGHT PEB

PT. Tatalogam Steel frames Multitruss, Sakura
Lestari Truss, Multi Furing,
 Birutruss, Taso

 Steel roofing Multi Roof, Surya
 Roof, Sakura Roof
 Multi Sirap, Fancy,

PT. Jaindo Steel frame, J-Steel
Metal Industries steel roofing

PT. Jayaco Steel roofing Alderon Deck

PT Mahkota Steel roofing Megadeck, Kumura

 Steel roofing Kobe Truss

Gajah Metal Ceiling panel Kobe Spandrell
 Ceiling frame Kobe Furring

 Floor deck Cordeck

PT. Prima Icon Roofing Icon Roof, Icon Tile
 Wall deck Icon Wall

 Floor deck Icon Deck

 Ceiling frame Scanfurr

 Eaves trough Scanline

 Steel roofing Scantruss

PT. Union Metal Floor deck Union Floor Deck

 Roof frames Union Truss

PT. Atap Teduh Steel roofing --
Lestari frame , steel

 Prefab house

PT. Cahaya Floor deck AbadiDeck

 Flooring CahayaDek

Benteng Mas Steel frames Cahaya Truss

 Door frames Cahaya Frame

 Rainbow Roof,

PT. Azuma Steel roofing Arista Roof,
Agung Murni Maestro, Decra

 Steel frames Top Truss

Players Locations

PT. Bluescope Jakarta, Medan,
Lysaght Surabaya

PT. Tatalogam Jakarta

PT. Jaindo Bandung
Metal Industries

PT. Jayaco Jakarta

PT Mahkota

Gajah Metal Medan

PT. Prima Icon Bogor

PT. Union Metal Bekasi

PT. Atap Teduh Bekasi

PT. Cahaya Banten

Benteng Mas

PT. Azuma Banten
Agung Murni

Source: Data Consult

Distribution networks of producers of light steel structure

 Players Number of Cities

PT. Tatalogam 38 Semarang, Purwokerto,
Lestari Yogyakarta, Surabaya, Bali,
 Medan, Batam, Bukittinggi,
 Pekanbaru, Palembang,
 Bengkulu, Bandar Lampung,
 Pangkal Pinang, Belitung,
 Jambi, Bengkulu, Banjarmasin,
 Palangkaraya, Pontianak,
 Samarinda, Balikpapan,
 Pangkalan Bun, Gorontalo,
 Manado, Makassar, Kendari,

PT. Jaindo Metal 29 Jakarta, Bandung Cirebon,
Industries Semarang, Salatiga, Solo,
 Yogyakarta, Madiun, Malang,
 Surabaya, Bali, Lombok,
 Makassar, Palu Batam, Medan,
 Nias, Tanjung Pinang,
 Pekanbaru, Pontianak,
 Balikpapan, Banjarmasin,
 Samarinda, Palan kara a.
PT. Atap Teduh 12 Jakarta, Bandung, Surabaya,
Lestari Medan, Palemban , Pekanbaru.

Source: Data Consult
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Title Annotation:INDUSTRY
Publication:Indonesian Commercial Newsletter
Date:Jun 1, 2008
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