- Made in accordance to BS497 specific ations
- Protected with Bitumen coatings to BS3416 Specifications
- Leakage of foul smell prevented by water sealing principle
- Balanced and non-rating when walk over or crossed over by vehicles
- Allows Addition of locking facility to dether theft
- One way Fit register and prising slots provided for initial cover easement
- Superior Non slip surface with maximum wheel load of 60 tones