Comparisons
Vibro/Hermetic Press vs Rubber/PVC Moulded Pavers
Technical comparison covering performance, manufacturing, durability, installation and other relevant criteria for vibro/hermetic press vs rubber/pvc moulded pavers.
| Criteria | WET CAST (RUBBER/PVC MOULDED) PAVER BLOCKS |
VIBRO/HERMETIC PRESS (STEEL MOULDED) PAVER BLOCKS |
|---|---|---|
| Mfg. Process Description | Usually completely manual process. Each individual paver block mould made of rubber/pvc is manually filled with wet concrete, passed over a simple vibrating table and left to cure in the mould for one day. Next day, each paver block is removed from its mould and after further curing, a lacquer coat may be applied. | Usually fully automatic production process. Starts with weigh batching of aggregates and cement for mixing, then automated filling of concrete in steel moulds with compaction under hydraulic pressure (Hermetic Press) and along with synchronized vibration (Vibro Press), followed by movement to curing, packing, storage and truck loading. |
| Where Used | Mainly for Non/Light traffic areas for pedestrians, parking lots or residential driveways; typically, small projects of area 1500-2000sq.m. | High wearing areas and for long durable finish e.g. roads, ports, etc. Large projects can be easily and conveniently executed due to larger capacities of automated plants. |
| Quality consistency | Poor consistency in product, with high variation in finish, sizes, and densities/ strengths due to manual production process. | Much better consistency owing to use of automatic machines for production. |
| Production quantity | Daily production output is limited by availability of labour, moulds and space for drying of material, weather conditions etc. Usually less than 400-500 sq.m. per day. | Daily production significantly greater due to high-speed machine output and reduced labour involvement. Results in higher reliability of output, with large plants capable of producing up to 1500-2000 sq.m. per day. |
| Looks | Better looks initially and dark colours are obtained | Looks very consistent over years of usage |
| Process Reliability | Low reliability of process- Shade, strength, and dimensional variation likely to be more | Reliable process- Lowest variations in product. |
| Slip Skid Resistance | Lower | Higher |
| Durability | Lower durability of surface finish | Fair durability of surface finish |
