Boral
An Australian building and construction materials company owned by Seven Group Holdings.
Last updated August 27, 2026
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Overview
Boral is an Australian building and construction materials company whose principal activities include the production and supply of cement, concrete, quarry products, asphalt and related materials. The business began in 1946 as Bitumen and Oil Refineries (Australia) Limited, a refinery venture established with Caltex as a substantial shareholder. Its early operations were connected to bitumen and oil refining, but the company progressively moved away from energy and petroleum activities and developed into a diversified construction-materials supplier. The company adopted the name Boral Limited in 1963, reflecting the acronym by which it had commonly been known since commencing operations. During the 1960s it expanded into gas distribution and later sold its refining interests to Total. In 1969, Boral entered the building-materials sector through acquisitions, beginning a long-term strategic shift toward products used in residential, commercial and civil construction. Its subsequent portfolio included cement, ready-mixed concrete, aggregates, asphalt, bricks, roofing products, plasterboard and other construction-related materials. Boral expanded beyond Australia during the late twentieth century. It entered the United States in 1979 through the acquisition of a controlling interest in California Tile and later built a substantial international materials business. In Australia, its acquisitions included Blue Circle Southern Cement in 1987 and Midland Brick in 1990. The company also operated businesses outside its core construction-materials activities, including tyres and energy. Those operations were progressively separated or sold: the tyre business was sold to Bridgestone in 2000, while Boral's energy assets were placed into the separately listed Origin Energy in the same year. From the 2010s onward, Boral increasingly concentrated on construction materials and undertook significant portfolio restructuring. It sold its east-coast Australian bricks business in 2016, disposed of Midland Brick in 2020, and divested its plasterboard interests in 2021. The latter transaction included the sale of Boral's 50 percent stake in the USG Boral joint venture to Knauf for US$1 billion. Boral also sold its United States operations to Westlake Chemical in 2021, materially narrowing the geographic scope of the business. Seven Group Holdings became Boral's controlling shareholder after launching a takeover offer in 2021 and obtaining approximately 70 percent of the company in July of that year. Seven later pursued full ownership. Following a revised offer, it acquired the remaining shares in July 2024, and Boral was delisted from the Australian Securities Exchange. Boral therefore continues as an operating building-materials business under private ownership within the Seven Group Holdings portfolio, rather than as an independently listed company. Its current identity is centered on supplying essential materials for Australian construction and infrastructure, particularly cement, concrete, quarry products and asphalt.
History
Boral was established on 4 March 1946 as Bitumen and Oil Refineries (Australia) Limited. David Craig founded the company, with Caltex holding a 40 percent interest. Its first major industrial facility was the Matraville Refinery, which opened in March 1947 and was described as Australia's first bitumen and oil refinery. The business initially operated in petroleum-related activities, but its long-term development took it toward construction materials. In 1963, the company formally adopted the name Boral Limited, a name already used informally because it was an acronym associated with the original corporate name. The following year Boral acquired the Gas Supply Company, bringing 28 coal-gas companies in New South Wales, Queensland and Victoria into its portfolio. It later rationalized its refining interests: in 1968 it sold half of the refining business to Total and transferred the remaining interest to Total in January 1972. Boral entered the building-materials industry in 1969 through a series of acquisitions. This marked the beginning of its transformation into a diversified supplier for the construction sector. The company expanded internationally in 1979, purchasing a 55 percent interest in California Tile in the United States from Amalco. It strengthened its Australian cement position in February 1987 by acquiring Blue Circle Southern Cement from BHP and Blue Circle Industries. In 1990, it acquired Midland Brick, adding a major brick-making business to its Australian portfolio. The company continued to simplify its activities around the turn of the century. In January 2000, Boral sold its tyre business to Bridgestone. In February that year, its energy assets were separated into Origin Energy, which became a separately listed company. These transactions reduced Boral's exposure to unrelated industries and reinforced its identity as a construction-materials company. Boral undertook further portfolio changes in the 2010s and 2020s. It sold its east-coast Australian bricks business in 2016 and sold Midland Brick to BGC in December 2020. In April 2021, it completed the disposal of its plasterboard interests by selling its 50 percent holding in the USG Boral joint venture to Knauf for US$1 billion. In June 2021, it sold its United States operations to Westlake Chemical. Together, these transactions shifted Boral toward a more concentrated Australian materials platform. Ownership changed significantly in 2021. Seven Group Holdings launched a takeover offer in May and secured control in July, when it held approximately 70 percent of Boral. Seven Group later sought to acquire the remaining shares. Its initial February 2024 offer was rejected by Boral's board, but a revised offer ultimately succeeded. Seven obtained full ownership in July 2024, after which Boral was delisted from the ASX. Boral remains an active operating brand within Seven Group Holdings, focused on Australian building and infrastructure materials rather than its former energy, international, bricks and plasterboard businesses.
- 2024
Boral becomes wholly owned by Seven Group Holdings
[1]Seven Group Holdings acquired the remaining shares after revising its takeover proposal.
- 2024
ASX delisting
[1]Boral was delisted from the Australian Securities Exchange following the completion of Seven Group Holdings' acquisition.
- 2021
USG Boral interest sold to Knauf
[1]Boral completed the sale of its 50 percent interest in USG Boral to Knauf for US$1 billion.
- 2021
United States operations sold to Westlake Chemical
[1]Boral disposed of its United States operations to Westlake Chemical.
- 2021
Seven Group Holdings obtains control
[1]Seven Group Holdings' takeover offer resulted in control of Boral and an approximately 70 percent shareholding in July.
- 2020
Midland Brick sold to BGC
[1]Boral completed the sale of Midland Brick to BGC in December.
- 2016
East-coast bricks business sold
[1]Boral sold its Australian east-coast bricks operations during a broader portfolio restructuring.
- 2000
Tyre and energy businesses separated
[1]Boral sold its tyre business to Bridgestone and spun off its energy assets into Origin Energy.
- 1990
Acquisition of Midland Brick
[1]Boral expanded its Australian bricks portfolio through the purchase of Midland Brick.
- 1987
Acquisition of Blue Circle Southern Cement
[1]Boral acquired the cement manufacturer from BHP and Blue Circle Industries.
Products and positioning
A major Australian supplier of essential building and infrastructure materials, with an emphasis on vertically connected quarrying, cement, concrete and asphalt operations.
Building materials
Cement
Cement is one of Boral's core construction-materials activities and is used as a binding component in concrete and other infrastructure applications. The business developed a significant cement position through organic activity and acquisitions, including the 1987 purchase of Blue Circle Southern Cement. Cement remains closely connected to Boral's concrete, aggregates and infrastructure-materials operations.
Building materials
Ready-mixed concrete
Boral Concrete supplies ready-mixed concrete for residential, commercial, civil and infrastructure construction. The offering connects cement, aggregates, batching and delivery into a service-oriented product used at construction sites. It is one of the most recognizable parts of Boral's Australian materials portfolio.
Quarry products
Aggregates
Boral supplies quarry products and aggregates used in concrete, road construction, asphalt, drainage and general civil works. Aggregates are strategically important because they provide an upstream input for several other construction-materials categories and support Boral's participation in infrastructure supply chains.
Infrastructure materials
Asphalt
Boral's asphalt activities support road-building, resurfacing and other civil-infrastructure applications. The business combines asphalt materials with related construction supply and services, giving Boral exposure to public and private infrastructure projects in Australia.
Building products
Bricks and roofing products
Bricks and roofing were important historical components of Boral's building-products portfolio. The company acquired Midland Brick in 1990 and later sold its east-coast bricks activities in 2016 and Midland Brick in 2020. These lines are therefore significant to Boral's history but are not treated here as current core offerings.
Interior building products
Plasterboard
Boral participated in plasterboard through the USG Boral joint venture. It completed the sale of its 50 percent interest to Knauf in 2021 for US$1 billion, ending Boral's ownership position in that business.
Brand decisions
2024
Complete Seven Group Holdings' takeoverM&ABackground
Seven Group Holdings launched an offer for the shares it did not already own in February 2024. Boral's board rejected the initial proposal.
Action taken
After revising the offer, Seven Group Holdings acquired the remaining shares in July 2024.
Aftermath
Boral became wholly owned by Seven Group Holdings and was delisted from the ASX.
2021
Sell USG Boral interest to KnaufM&ABackground
Boral continued to reduce its exposure to non-core or less central building-product activities during a portfolio reshaping period.
Action taken
Boral sold its 50 percent interest in the USG Boral joint venture to Knauf.
Aftermath
The transaction completed Boral's exit from the plasterboard joint venture and generated stated proceeds of US$1 billion.
Sale consideration. US$1 billion (2021)
2021
Accept Seven Group Holdings' takeoverM&ABackground
Seven Group Holdings launched a takeover offer in May 2021 and sought control of Boral.
Action taken
Seven Group Holdings proceeded with the acquisition and obtained approximately 70 percent of Boral in July 2021.
Aftermath
Boral became controlled by Seven Group Holdings, which later pursued acquisition of the remaining shares.
2000
Separate energy assets into Origin EnergyStrategyBackground
Boral had developed activities outside construction materials, including energy assets. The company chose to place those assets into a separate listed entity.
Action taken
Boral spun off its energy assets into Origin Energy.
Aftermath
The transaction helped establish Boral as a more focused building-materials company while creating a separate energy business.
Recent events
- 2024
Seven Group Holdings gains full ownership of Boral[1]
M&A
After an initial offer was rejected by Boral's board and subsequently revised, Seven Group Holdings acquired the remaining Boral shares and achieved full ownership.
- 2024
Boral is delisted from the Australian Securities Exchange[1]
M&A · Other
Following Seven Group Holdings' acquisition of the remaining shares, Boral ceased to be an independently listed ASX company.
- 2021
Boral completes sale of USG Boral interest to Knauf[1]
M&A
Boral completed the sale of its 50 percent interest in the USG Boral plasterboard joint venture to Knauf for US$1 billion.
- 2021
Seven Group Holdings launches a takeover offer for Boral[1]
M&A · Leadership change
Seven Group Holdings launched a takeover bid for Boral. Seven subsequently obtained control with an approximately 70 percent shareholding in July 2021.
- 2021
Boral sells its United States operations to Westlake Chemical[1]
M&A
Boral sold its United States operations to Westlake Chemical, substantially reducing its international footprint.
- 2020
Boral sells Midland Brick to BGC[1]
M&A
Boral disposed of Midland Brick, continuing its withdrawal from selected brick businesses.
- 2016
Boral sells its east-coast Australian bricks business[1]
M&A
The company sold its bricks operations on Australia's east coast as part of a portfolio-reduction program.
- 2000
Boral sells its tyre business to Bridgestone[1]
M&A
Boral divested its tyre business to Bridgestone as part of a broader effort to separate non-core activities from its building-materials operations.
- 2000
Boral separates its energy assets into Origin Energy[1]
Other
Boral's energy assets were spun off into Origin Energy, creating a separate listed energy company and accelerating Boral's strategic focus on construction materials.
Sources7 sources
- 1Boralen.wikipedia.org
- 2Boral official websiteboral.com
- 3Boral appoints new CEO/MDcemnet.com
- 4Boral launches share buyback after $1.3b divestmentafr.com
- 5Boral Limited appoints new CEOworldcement.com
- 6Boral posts lower 1H earningscemnet.com
- 7General Shale Successfully Completes Acquisition of Meridian Brickprnewswire.com
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