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CORTEN STEEL FLAT TOP EDGING HOW TO

Flat top edging 100mm, 150mm, 200mm, 250mm and 300mm tall

Child and pet friendly

Corner 90deg Joiners

There is 5deg-10deg  of angle flexibility with each joiner

Flat Top edging 35mm wide top

The flat top edging system is DIY friendly

90deg corner joiner

Connect straight sections to corner joiners 

45deg corner joiners

Select 100mm tall parts to fit the required shape 

200mm tall Flat Top Edging

Small gap between corten paving to divert rust bleed.

System Basics, straights, joiners, posts

10 different straight length options. Joiner posts set in concrete pile holes

100mm tall edge 35mm flat top prices

150mm tall edge 35mm flat top prices

200mm tall edge 35mm flat top prices

250mm tall edge 35mm flat top prices

300mm tall edge 35mm flat top prices


Use preformed corners and curves to create unique garden layouts

Quarter, Eighth and Half circles, plus square corners are all in stock


Concrete Haunching

For high stress applications, concrete haunching adds strength.

Haunching example

Flat Top can not be bent on site, you will need to swap to Flat Face edging

Temporary stakes, until concrete sets

For gentle curves, Flat Face edging can be bent into gentle curves. Flat Top can not be bent.

External Corner joiner options

Corner joiners come in 30deg, 45deg, 60deg and 90deg

Internal Corner joiner options

Corner joiners come in 30deg, 45deg, 60deg and 90deg

90deg corner joiner

The corner joiner is longer than the edging, this anchors the corner.

Curved Flat Top Sections

Available in the following radii, 300mm, 450mm, 600mm, 750mm, 900mm

External Flat Top Quarter curve

These connect to straight and corner joiners.

Step up string lines for height and direction

To get the best results check the assembled edging, before setting the posts in concrete

Back view of internal 90deg joiner

Temporary supports under corten while concrete sets. Soil side of corten coated for additional lifespan

Temporary supports

Taller edging may require temporary supports until concrete sets.

Angle posts with cutaway tops

The cutaway angle post tops, remove sharp edges at the surface. 

Change of height option 

Stepped change in height option.

Transition panels

Transition panels change the height of the corten over 1200mm long or 900mm lengths.

Change in height at posts 

Keeping the top level, the stainless steel fixings align with posts and different heights.

Shorten panels on site

This is not a DIY option, you will need create, tabs, fold tabs, and then drill tabs to take bolts

Nut and Bolts Fixings ​

To avoid bi-metallic corrosion, we supply stainless steel nuts and bolts.

35mm wide Flat Top with gravel trap

A gravel trap or drain will control rust bleed, when near light coloured paving

2 quarters = 1 half circle

Pre-made internal and external curved parts.

[email protected]

Please email me any, sketches, plans, and other information you may have, including your delivery address

I can then get back to you with suggested corten

2mm radius on top

Child and pet friendly edging has a smooth rolled edge on the straight sections