| EXPRESS SCREED | SAND AND CEMENT | ANHYDRATE FLOWING SCREED |
|---|---|---|
| Walkable Surface | Seven days needed for both covering and curing | 24–48 hours after placement, no curing required |
| Surface Finish | Achieved tolerance of +/- 10mm under a 2-meter straight edge | Achieved tolerance of +/- 5mm under a 2-meter straight edge |
| Performance | Prone to shrinkage, cracking and curling | Very low shrinkage and cracking. Will not curl |
| Strength (28 days) | Compressive: 10-20 N/mm3 Flexural: 4-8 N/mm3 8–28 days to reach 90% strength | Compressive: 30 N/mm3 Flexural: 8 N/mm3 7 days to reach 90% strength |
| Drying Time | 1mm per day up to 40mm, ½ mm per day thereafter 75mm takes significantly longer to dry Can’t be force-dried | 1mm per day up to 40mm, ½mm per day thereafter Can be force-dried using heater and dehumidifier UFH can be commissioned after 7 days |
| Quality Control | Often mixed and placed by hand | Produced to fully verifiable industry standards |
| Conductivity | 1.1w/m2k | 2.2w/m2k – faster heat reaction time 10% saving on running cost |
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