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© Ibstock Plc. 2026

This is a unique process, using a special semi-dry concrete, which is compacted by vibration to give high strength and durability.
All posts and Gravel Boards are steel reinforced for extra strength and long life.
STRONGCAST Original slotted posts are available in six lengths including the new 10 foot post and are completely unaffected by moisture or rot.
Products have a slightly more textured appearance than wet-cast concrete.
A range of surface treatments may be used to colour and co-ordinate with modern garden colour schemes.
UKCA/CE marked for your assurance.
Get in Touch
To speak to a member of our customer service team directly, call 0333 234 3434 - opt.1, opt. 4.
| Type | Code | Dimensions (imperial) | Dimensions (metric (mm)) | Units (Per pack) | Pack Weight (kg) |
|---|---|---|---|---|---|
| Corner | SLT152C | 5' | 1525 x 125 x 125 | 6 | 285 |
| Corner | SLT183C | 6' | 1830 x 125 x 125 | 6 | 345 |
| Corner | SLT213C | 7' | 2135 x 125 x 125 | 6 | 420 |
| Corner | SLT244C | 8' | 2440 x 125 x 125 | 6 | 450 |
| Corner | SLT274C | 9' | 2745 x 125 x 125 | 6 | 530 |
| Corner | SLT304C | 10' | 3040 x 125 x 125 | 6 | 606 |
Type
Corner
Dimensions (imperial)
5'
Dimensions (metric (mm))
1525 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
285
Type
Corner
Dimensions (imperial)
6'
Dimensions (metric (mm))
1830 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
345
Type
Corner
Dimensions (imperial)
7'
Dimensions (metric (mm))
2135 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
420
Type
Corner
Dimensions (imperial)
8'
Dimensions (metric (mm))
2440 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
450
Type
Corner
Dimensions (imperial)
9'
Dimensions (metric (mm))
2745 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
530
Type
Corner
Dimensions (imperial)
10'
Dimensions (metric (mm))
3040 x 125 x 125
Units (Per pack)
6
Pack Weight (kg)
606