Ring Cover slab
| Item brand | Dimensions | Concrete grade | ||||
| D, mm | d, mm | H, mm | Concrete volume, m3 | Item weight, kg | ||
| PP 10-1 | 1200 | 700 | 150 | 0,11 | 264 | B15 |
| PP 15-1 | 1700 | 700 | 150 | 0,28 | 672 | B15 |
| PP 20-1 | 2200 | 700 | 150 | 0,51 | 1224 | B15 |
| PP 10-2 | 1200 | 700 | 150 | 0,11 | 264 | B15 |
| PP 15-2 | 1700 | 700 | 150 | 0,28 | 672 | B15 |
| PP 20-2 | 2200 | 700 | 150 | 0,51 | 1224 | B15 |
Reinforced concrete cover slabs for manholes are reinforced concrete products with a hole for a hatch.
Reinforced concrete cover slabs allow reliably close a hatch, preserving access thereto.
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