Description
Perfect for use in patio, carport and addition projects and available with a range of connector brackets offering simple design and installation.
- Available in three depth sizes – 100mm, 150mm and 200mm
- Light, strong and universal in their application
- Doesn't warp or split
- Doesn't require painting
Profile Variants
FIRMLOK® 100
The FIRMLOK® 100 lightweight steel beam is engineered for durability and precision, offering strength in compact applications. Ideal for patios, carports, and steel roofing structures, it seamlessly integrates into a variety of projects.

FIRMLOK® 150
The FIRMLOK® 150 steel beam provides a robust 150mm profile, combining lightweight efficiency with structural integrity. Perfect for roof profiles, verandahs, and modern extensions, it supports roof sheets and gutter systems effortlessly.

FIRMLOK® 200
The FIRMLOK® 200 beam is designed for larger spans, ensuring strength and stability for demanding applications. With its 200mm profile, it excels in roofing and walling projects requiring dependable performance.

Finishes & Colours
COLORBOND® Steel Colour Range
COLORBOND® Steel Colour Range
Patios & Carports Colour Range
Patios & Carports Colour Range
FIRMLOK® Beams & Posts Colour Range
FIRMLOK® Beams & Posts Colour Range
FIRMLOK® beams & posts are available in a range of attractive COLORBOND® colours1 .
- Beams, cladding and gutters are made from COLORBOND® steel; posts and accessory items are manufactured from other materials. Jump to reference
COLORBOND® Steel Studio Library
For more ambitious projects meeting minimum order requirements and requiring more precise colour matching, COLORBOND® steel Studio provides an extended catalogue of more than 200 COLORBOND® steel colours searchable by closest matching RGB or HEX colour values or Dulux or RAL colour names.
Unpainted Steel Range
Unpainted Steel Range
ZINCALUME® Steel
ZINCALUME® Steel
Combining the classic aesthetic of raw, unpainted steel with a tough protective coating to effectively resist corrosion.
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