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Small Diameter Cover Slabs
Precast concrete small diameter cover slabs can play a vital role in maintaining and securing infrastructure integrity and ensuring the safe access to our underground utilities.
Complying to BS EN1917:2002 and BS 5911-3:2002, our precast concrete heavy-duty cover slabs can be supplied with a variety of standard and non-standard access hole sizes.
Small Diameter Cover Slab types
| Access | Product Drawing | Depth | Weight |
| 900mm diameter | |||
| 600 x 600mm | 150mm | 200kg | |
| 1050mm diameter | |||
| 600 x 600mm | 150mm | 268kg | |
| 675 x 675mm | 150mm | 232kg | |
| 1200mm diameter | |||
| 600 x 600mm | 150mm | 394kg | |
| 675 x 675mm | 150mm | 355kg | |
| 750 x 600mm | 150mm | 405kg | |
| 750 x 750mm | 150mm | 365kg |
Benefits of Precast Concrete Cover Slabs
Strength and durability
Concrete cover slabs are robust and can withstand heavy loads, making them an ideal solution for covering access holes, as they can provide a stable platform for maintenance personnel and equipment.
Sealing Access Holes
Preventing the infiltration of surface water into an access hole is important. Concrete covers are designed to be sealed with an approved mastic strip, to ensure watertightness. Sealing the lifting holes will further enhance their effectiveness.
Platform for Adjustment
Cover slabs act as a base for regulating brickwork or seating rings/adjusting units, which can also be purchased and delivered with your load to reduce haulage costs and paperwork. Seating rings and adjusting units allow for precise adjustments
Ease of installation
Precast covers are easily installed on top of chamber rings, using equipment that is already used on site, to create access openings for maintenance purposes.
Customer choice
Concrete cover slabs come with various openings to suit different site requirements, providing flexibility for construction projects.
