MagmaStrip and MagmaDisc
Carborundum inserts for pre-cast concrete and wooden stairs available in strips or discs of various sizes.
- Now avialable in DDA compliant 55mm widths
- Manufactured in standard range of colours (charcoal, yellow & white).
Bespoke colours available on request - Suitable for use in concrete terrazzo and timber steps
- Magma riser strips also available in 55mm widths
MagmaStrip/ MagmaDisc brochure: download here (pdf)
Slip resistance test results

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15mm x 8mm
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25mm x 8mm
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35mm x 8mm

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55mm x 9mm
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55mm x 9mm DT
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75mm x 9mm NEW
Tolerances
| Size | Tolerance |
|---|---|
| 0 - 9 mm | +/- 0.2 mm |
| 10 -19 mm | +/- 0.4 mm |
| 20 - 50 mm | +/- 0.6 mm |
| over 50 mm | +/- 1.0 mm |
All sizes are nominal
MagamaDisc standard sizes


25mm x 8mm

50mm x 8mm