weber.floor 4180
weber.floor 4180
Fiber-reinforced thin-layer heating screed
Flow-grade calcium sulphate-based and fiber-reinforced thin-layer screed for thicknesses of 25 - 50 mm
Product key features
- for residential and commercial buildings
- ideal for renovation works
- for layer thickness of 25 - 50 mm
Product benefits
- low shrinkage and low tension
- convenient for thin-layer underfloor heating constructions
- fits mechanical application very well
Fields of application
weber.floor 4365 is used as a thin-layer floating screed on underfloor heating constructions with heating pipes of a diameter of 12 - 16 mm in residential and commercial buildings.
For use indoors.
Technical values
| Layer thickness | 25 - 60 mm |
| Absolute water demand | approx. 4,25 l / 25 kg |
| Relative water demand | approx. 17 % |
| Flexural strength (28 days) | > 7 N/mm² |
| Open to foot traffic | approx. 24 hours |
| Open to light load | approx. 48 hours |
| Open to full load | after covering maturity |
| Application temperature (air) | > +5 °C - < +30 °C |
| Application temperature (substrate) | +5 °C - +25 °C |
| Pot life | approx. 35 - 40 minutes |
| Thermal conductivity | approx. 1,2 W/mK |
| Reaction to fire | class A 1fl (EN 13813) |
| Consistency (slump) | 35 - 40 mm (with flow ring: Ø 68 mm/height 35 mm) |
Storability
| Storage | at least 6 months |
| Storage requirements | The material should be stored indoors in the original unopened packaging in a dry, cool place protected from moisture |
Tutorials and videos
Case studies
