

Manufactured from BSG gratings, stairtreads are supplied with welded on end plates for bolting to staircases and have a pryamid pattern front sighting bar as standard.
Reference to the tables below will give recommended widths and lengths for the most popular types of Stairtreads.
Stairtreads Nominal Widths (mm) - W |
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Type 41 / 100 |
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169 |
210 |
251 |
292 |
Type 30 / 100 |
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185 |
215 |
245 |
275 |
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End Plate Fixing Centres (mm) - A
|
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75 |
100 |
100 |
100 |
Recommended Maximum Length Of Tread (mm) |
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Load Bar Size |
Type 41 / 100 |
Type 30 / 100 |
25 x 3 |
700 |
825 |
25 x 5 |
1000 |
1150 |
30 x 3 |
1000 |
1150 |
30 x 5 |
1275 |
1400 |
35 x 3 |
1250 |
1375 |
35 x 5 |
1500 |
1625 |