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Hole Depth for Sign Posts

UK Sign Maker

Post Planting Depths

All builders, good or bad will have a preconceived idea of how far underground a post should go. Indeed as there are so many variables, there is no substitute for experience.

However the chart opposite is a good starting point. We would suggest with heavy oak posts with arms to go a little deeper.

It does also depend on soil type.

Depth of planting holes for signs with posts

The amount of posts which should be undergroundThis are just guides - for more information you could contact your local civil engineering department.

Although posts can be buried or concreted into the ground we do advise customers to use one of the post holder methods as shown below. Not only will the posts last longer but the signs can be removed for easy maintenance.

Post holder with spike. Bolt down post holder. Concrete in post holder
Post Holder on Spike
50mm x 50mm - £5.95
75mm x 75mm - £9.60
100mm x 100mm - £12.30
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Galvanised & Powder Coated
Steel Bolt Down Post Holder
75mm x 75mm - £5.95
100mm x 100mm - £7.45
Order Online
Galvanised & Powder Coated
Steel Concrete In Post Holder
75mm x 75mm - £9.00
100mm x 100mm - £10.30
Order Online

 

This are just guides - for more information you could contact your local civil engineering department.

More Information:-    Aluminium Posts      Wooden Posts

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