The 100 UC 14.8 is the standard galvanised H-beam post for domestic concrete sleeper retaining walls up to about a metre. Sized for 75 to 80 mm sleepers at 14.8 kg per metre, it is the post most garden walls in Australia are built on.
100 UC 14.8 dimensions and specifications
| Designation | 100UC14.8 to AS/NZS 3679.1 |
| Section depth x width | 97 x 99 mm |
| Weight | 14.8 kg per metre |
| Fits | 75 to 80 mm concrete sleepers |
| Finish | Hot-dip galvanised |
| Lengths | 900 mm to 3.0 m in 300 mm steps |
Building with 100 UC posts
Set posts in concrete at your engineered centres (commonly 2.0 m to suit 2 m sleepers), drop the sleepers into the channel, and finish ends with the 100 PFC end post. For 100 mm sleepers or walls beyond about a metre, step up to the 150 Heavy Duty Series.
Frequently asked questions
How deep should a 100UC post go? As a rule of thumb the footing depth matches the retained height, in a 300 mm concrete-filled hole; confirm against our post specifications guide or your engineering.
Is it the same as a 100mm H beam? Yes, 100UC14.8 is the universal column commonly sold as a 100 mm H beam or H post for retaining walls.
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