Structural & Steel
Steel Lintels
Galintel® hot-dip galvanised steel lintels for residential and commercial masonry construction. Australian manufactured · AS/NZS 4680 · 25-year warranty.
Galintel® — Australia's Leading Steel Lintel
Steel Source Australia supplies the complete Galintel® range of hot-dip galvanised steel lintels for residential and commercial masonry construction. Galintel® is Australia's leading designer and manufacturer of steel lintel bars, with products used in hundreds of thousands of Australian homes and commercial buildings.
All Galintel® lintels are manufactured from 100% Australian BlueScope steel and hot-dip galvanised to AS/NZS 4680, providing long-term corrosion resistance and structural integrity. The full range covers every masonry lintel application — from standard residential windows and doors through to large commercial openings, cavity walls, rendered masonry, and severe marine environments.
All products are backed by a 25-year product warranty. Load tables and section properties are available on request — contact us when enquiring for large or engineered projects.
Product Summary
Full Product Range
138+ Lintel SKUs — Click a Section to Expand
Standards & Compliance
Australian Standards
AS/NZS 4680:2006
Hot-Dip Galvanised Coatings
All Galintel® lintels are hot-dip galvanised to this standard, ensuring a minimum zinc coating mass for long-term corrosion protection.
NCC 2022 Volume Two
Residential Construction
Lintel span tables in NCC 2022 Volume Two govern prescriptive lintel selection for Class 1 and Class 10 buildings. Galintel® products are designed to comply with these tables.
AS 4773.1 & 4773.2:2015
Masonry in Small Buildings
Design and construction requirements for masonry in residential and small commercial buildings, including lintel bearing and support requirements.
AS 3600:2018
Concrete Structures
Governs exposure classification and durability requirements for steel in concrete and masonry, including lintel corrosion protection requirements in different environments.
AS 4100:2020
Steel Structures
Applies to structural lintel applications including Solid Base Angle and Shelf Angle lintels used in engineered masonry support systems.
AS/NZS 2312.2:2014
Protective Coatings — Duplex Systems
Governs the R4 duplex coating system (galvanise + topcoat) for severe marine and industrial corrosion environments. Applicable to the R4 Lintel Range.
Product & Application Index
Selection Guide
Which Lintel Do I Need?
Standard brick veneer window / door
→ Traditional T-Bar
Most common residential application. One T-Bar per masonry leaf.
Cavity wall (double brick or brick veneer + timber truss)
→ J-Bar or Cavi-T-Bar
J-Bar spans both leaves. Cavi-T-Bar includes integrated drip edge for moisture management.
Rendered masonry (cement render over lintel)
→ Rendabar Gen III
Prevents rust staining through render. Do not use standard galvanised under render.
Large opening (garage door, wide sliding door)
→ Solid Base Angle
Greater load capacity for wider spans and heavier masonry loads.
Coastal or marine environment (within 1 km of surf)
→ R4 Lintel Range
Duplex-coated for C4/C5 corrosion environments. Check local council requirements.
Multi-storey masonry veneer support
→ Shelf Angle
Structural angle bolted to frame. Engineering design required.
Decorative or feature opening (low load)
→ Flat Bar or Traditional Angle
Low-profile options for lightweight masonry and short spans.
Unsure / non-standard application
→ Contact Steel Source Australia
Our team can advise on the correct lintel type and size for your project. Load tables available on request.
Need Lintels for Your Project?
Add items to your enquiry list and submit — our team will respond with pricing, availability, and delivery options. Load tables available on request.