weberfloor flex

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A cement-based, rapid-drying, high-build levelling compound where a bed thickness from 5–50 mm is required.

The product can be applied by pump on large areas, as a special application by approved contractors, and is suitable to be covered with tiles and parquet flooring.

Technical characteristics:

  • Compressive strength (to BS EN 13813): C25.
  • Flexural strength (to BS EN 13813): F6.

Preparation:

  • Substrate to be completely dry, hard, rigid and clean.
  • Remove any traces of paint, plaster, laitance, old adhesive or other unsound materials.
  • Thoroughly remove all traces of dust by vacuuming or sweeping.
  • Switch off any under-floor heating systems at least 24 hours before application.
  • Localized holes up to 50 mm deep can be filled with weberfloor flex and allowed to dry.
  • It is recommended that all porous surfaces are primed with weber PR360.
  • For anhydrite screeds, it is essential that the screed surface is primed with weber PR360. Allow to dry for 1–4 hours.
  • Impervious surfaces to be primed with weber PR360 and allowed to dry for 1–3 hours.
  • Must be 10°C.
Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit - 1 2.1

  • Properties and values
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Properties and values

COBie
BOS_General
NBS_Data
Admixture
n/a
Application
Sand, cement screeds, anhydrite screed, wooden boards, underfloor heating, insulation boards, existing boards, bitumen
ApplicationTemperature
+10°C to +30°C
Cement
n/a
CementAdditions
n/a
CoarseAggregate
n/a
CompressiveStrength
C 25
Considerations
Do not use if floors are permanently damp or have rising damp on friable or unstable floors in industrial areas, not suitable for exterior use
Coverage
1.5 m² per 25kg bag, when applied at 10 mm thickness
DryingTimeBeforeCovering
24 hours at 5 mm thick
DryingTimeBeforeTiling
1-2 hours
FibreReinforcement
n/a
FineAggregate
n/a
FlexuralStrength
F 5
HardeningTimeBeforeFootTraffic
1-2 hours
MaterialConsumption
1.7kg/ m²/ mm
MinimumThicknessFloatingFloor
25 mm (with weberfloor 4945 fibre mesh)
MinimumThicknessOverSlipMembraneSolidSubstrate
20 mm
MinimumThicknessOverWood
10 mm
MinimumThicknessUnderfloorHeating
>15 mm over the heating pipes
MinimumThicknessUnderTileWarming
>3 mm over the heating wires
Mix
n/a
PotLife
20 min (after adding water)
SubstrateStrength
1 N/mm²
ThicknessRange
5 - 50 mm
WaterDemand
5 litres/ 25kg (20%)
Pset_CoveringCommon
Pset_CoveringFlooring

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