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Parchem Construction Supplies

Our History

Parchem Construction Supplies (Parchem) origins date back to 1958 when the foundations of the existing business – Expandite Rawlplug Australia was established in Sydney, Australia.  Parchem Construction Supplies has bought together industry leading brands with a strong commitment to service and technical support by combining the companies formerly known as Flextool and Concrete Technologies with the strength of the former Parchem Construction Products business. The Equipment and tools division (formerly Flextool Pty Ltd) has pioneered the manufacture of portable contractor's equipment in Australia.

Key events in Parchem’s history:


Creation of Expandite-Rawlplug in Ryde specialising in the manufacture of sealants and jointing products.


Relocation of Expandite-Rawlplug to their new greenfield manufacturing site in Lucca Rd Wyong, NSW, Australia.


Burmah Castrol (parent company of Expandite Rawlplug) acquired the Fosroc international company and renamed the new merged company, Fosroc Australia.


Parbury Limited (a building products company) acquired Fosroc Australia and renamed it Parbury Technologies.


Alesco Corporation Limited (previously known as Atkins Carlyle) acquired Parbury Limited.


Alesco Corporation Limited acquired Concrete Technologies a company specialising in innovative decorative concrete solutions.


Alesco Corporation acquired Flextool (Aust.) Pty. Ltd.  a wholly owned Australian private enterprise. Established in 1951, the company has pioneered the Australian manufacture of portable tools & equipment for use in the concrete trades


Alesco merged Parbury Technologies, Flextool and Concrete Technologies to form Parchem Construction Supplies Pty Ltd (Parchem).


Alesco purchased 4 small construction distribution businesses spread across New Zealand and established the Concrete Plus business distributing Parchem products to the New Zealand construction market.


Parchem began the roll out of their nationwide network of trade stores.


Parchem National Distribution Centre relocated from Auburn, Sydney to Wyong. At the same time the Concrete Technologies manufacturing relocated from Emu Plans, Sydney to Wyong.


Acquisition of Alesco and subsidiary companies including Parchem by DuluxGroup Limited, a public company listed on the Australian stock exchange.



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