Name: Retaining Walls Direct
Address: Pillapai Street, Charlestown, NSW, 2290, AU
Telephone: 1800 880 124
Price range: $$

AS 4678 Certified | Trade Accounts Welcome | 40+ Years Experience

Cross-section comparison of H-beam and C-channel steel post profiles

H-Beam vs C-Channel Steel Posts: What's the Difference?

H-beam (UC) and C-channel (PFC) steel posts explained side by side: strength, installation and how to choose the right profile for a DIY or engineered wall.

July 30, 2026
11 min read

Dy-Mark Spot Marking Paint 350g

Geo Matting | Geotextile Fabric for Retaining Wall Drainage

Ag Pipe 100mm x 20m | Slotted & Socked Drain Coil

Galvanised Steel Post Caps

Galvanised Steel Fence Bracket Kit

Builders Line Nylon Pink 100m

Retaining Wall Advice

H-Beam vs C-Channel Steel Posts: What's the Difference?

Dy-Mark Spot Marking Paint 350g

Geo Matting | Geotextile Fabric for Retaining Wall Drainage

Ag Pipe 100mm x 20m | Slotted & Socked Drain Coil

Galvanised Steel Post Caps

Galvanised Steel Fence Bracket Kit

Builders Line Nylon Pink 100m

Retaining Wall Advice

H-Beam vs C-Channel Steel Posts: What's the Difference?

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