TDUP products are engineered to meet relevant British and European standards, including:
- EN124-2 — the European standard for gully tops and manhole covers, covering load classes B125 through F900.
- Kitemark certification, where applicable, providing independent third-party verification of product performance.
Individual product pages list the specific standard and any Kitemark certification that applies.
The marks we hold
Certificates and approvals
What each one is, what it means when you buy from us, and the certificate numbers to quote.
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ISO 9001
What it coversQuality management system
What it means for youOur quality management system is audited by BSI. It covers how we make, check and trace every casting, so what you order is made to the same process each time.
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FM 00614
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ISO 45001
What it coversOccupational health and safety management system
What it means for youOur health and safety management system is audited by BSI. It is the evidence to give your own site team that we manage safety properly.
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OHS 89327
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ISO 14001
What it coversEnvironmental management system
What it means for youOur environmental management system is audited by BSI. It means we manage and work to reduce the environmental impact of how we operate.
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EMS 72025
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BSI Kitemark
What it coversAll applicable products are certified under one of three Kitemark certificates, depending on where they are manufactured.
What it means for youBSI, an independent body, tests the products and audits the factory. The Kitemark on a cover tells you it has been checked against the standard, not just claimed.
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KM 833555
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KM 737513
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KM 831866
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BS EN 124-2 load classes
The European standard for manhole covers and gratings. It sets the load classes from B125 to F900, so you can match a cover to what drives over it.