Treco Steel
Ph: (02) 9632 6666
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Treco Steel - steel lintels, galvanised steel, structural steel


The “Treco” name has been established since 1964 when business commenced in Manly Vale NSW. For over 50 years, Treco Steel has supplied the residential building industry with galvanised steel lintels and other structural steel products. Treco Steel has been an official distributor of Du Pont’s Tyvek range of Insulation products since 1994.

Treco Steel has continually strived to provide the most efficient and informative service in the supply of lintels and other building materials to the housing market. The knowledge & experience of the sales and operations personnel allows the supply process to be carried out with a minimum of fuss. Treco Steel’s employees each average more than 25 years’ experience in steel lintels.

Treco Steel is a family owned & operated business. We care about our customer’s needs. We don’t believe in lip service, we believe in telling the customer what we can do (and what we can’t do), and when we can do it. Our aim is to supply your requirements efficiently and correctly. We want you to keep coming back for more. Just ask our customers and they will tell you:

“If all our suppliers were as good as Treco Steel, we wouldn’t have any worries!”

Treco Steel is the original lintel specialist. Treco Steel has the largest range of lintels on the east coast of Australia including:

  • Above and Beyond Concept’s Pro-Series galvanised ribbed lintels, shelf angles and T sections;
  • Galintel’s range of MultiRib T Bars, Traditional T Bars, Rendabar, Cavi-T Bar and J-Bar;
  • Ultrafloor’s concrete lintels, and
  • Galvanised arch bars – angles and flats.

Above and Beyond Concept’s Pro-Series lintels, shelf angles and T sections are manufactured to comply with both the Building and Masonry Codes of Australia.

Treco Steel is an official distributor of the DuPont Tyvek Building Envelope System’s products such as Tyvek HomeWrap, FlexWrap, Flashing Tape and Contractor’s Tape.

Treco Steel also supplies a range of galvanised steel products such as RHS drain, retaining wall “H” (UC), end “C” (channel) and corner sections as well as DuraGal hollow sections for fencing.