weberfloor fibre rapid 4320
Packaging
- 25kg
Rapid drying, self-smoothing base and renovation screed suitable for residential and commercial areas.
weberfloor fibre rapid 4320 is a rapid drying, self-smoothing base and renovation screed — also referred to as a self levelling compound or self levelling screed — which can be applied to depths of 5-50mm used for levelling:
- Concrete
- Sand/cement screeds
- Anhydrite screeds
- Wooden boards
- Underfloor heating/warming
- Insulation boards
- Existing tiles
- Bitumen
weberfloor fibre rapid 4320 flow rapid is suitable for covering with:
- Tiles
- weberfloor smooth 4150 thin topping screed
- weberfloor smooth rapid 4160 thin topping screed
Suitable for use in residential and commercial areas, light foot traffic is possible after 1-3 hours in normal conditions, tiling is possible after 12hrs and final floor coverings other than tiles can be applied after 2-4 days depending on layer thickness and drying conditions.
- For application depths between 5-50mm
- Weber Low Dust TechnologyTM improves comfort of applicators
- Pump or hand applied
- Rapid drying
- Foot traffic after 1-3 hours
- Tile after 12 hours
- Final floor covering installed after 2-4 days in normal conditions
- Fibre modified for added durability
- Low alkalinity
- Casein-free
- Low emissions
- Cannot be used on external projects
- Must not be used as a wearing screed — either be directly tiled over or prior to receiving a soft floor covering cover with a thin layer of either weberfloor smooth 4150 or weberfloor smooth rapid 4160
- When stored unopened in a cool, dry place at temperatures above 5°C, shelf life is 12 months from date of manufacture
- Please refer to relevant building regulations prior to the installation of weberfloor products
| Temperature of application | +10°C to +25°C |
| Minimum substrate strength | 1N/mm² |
| Minimum thickness | 5mm |
| Minimum Thickness (underfloor heating) | >15mm over the heating pipes |
| Minimum Thickness (over slip membrane solid substrate) | 20mm |
| Minimum Thickness (floating floor) | 25mm (with weberfloor 4945 fibre mesh) |
| Maximum thickness | 50mm |
| Water addition | 5 litres/25kg (20%) |
| Compressive Strength | C 30 |
| Flexural Strength | F 7 |
| Shrinkage (28 days) | < 0.06% |
| Flow Rate | 220-235mm |
| Approx. material consumption | 1.7kg/m2/mm |
| Hardening time (before foot traffic) | 1-3 hours in normal conditions |
| Hardening time (before tiling) | 12 hours in normal conditions |
| Hardening time (before final covering) | 2-4 days depending on layer thickness and drying conditions |
| Pot life | 20 |
