Underfloor heating filler LL 5500

Product description

The Fescon LL 5500 is a fibre-reinforced, casein-free underfloor heating filler compound with a special cement binder that hardens and dries rapidly.

  • good workability, adhesion and wear resistance
  • for layer thicknesses 10 80 mm

Applications

  • underfloor heating filler for indoor concrete floors
  • underfloor heating filler for indoor primed plasterboard floors
  • graded floors requiring rapid hardening and drying
  • ceramic or stone tiles, or parquet, for example, can be installed on the levelled base
  • if necessary, finish with Fescon Finishing Compound LT 3000. Fine levelling is recommended when installing plastic or textile carpets, vinyl tiles or cork.
  • Overlaid underfloor heating filler LL5500 can be waterproofed according to the Fescon waterproofing instructions.
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EAN code Product name Product number Package size
6416841202017 Underfloor heating filler LL 5500 20 KG 20201 20 kg

Instructions

Base
  • clean, solid and dust-free
  • sufficient strength, load-bearing capacity and immobility
  • temperature >+10 oC and relative humidity <95% RH
  • Any substances reducing or preventing
    adhesion must be carefully removed.

 

Priming
  • Carry out the priming in accordance with Fescon Adhesive Primer instructions
  • When beginning the levelling work, there must be no puddles of primer
Instructions for use
  • Mix a bag of the levelling compound in 3.0-3.6 litres of clean water
  • Mix the LL 5500 into a consistent paste using a drill paddle
  • Spread the compound on the base and level with a steel trowel
  • Working time is around 20 minutes from adding the water
  • Wash the tools and equipment with water immediately after completing the work
  • Remove dried levelling compound mechanically
Covering
  • The Fescon LL 5500 can be covered with all flooring materials, including natural materials.
  • we do not recommend leaving the floor levelling compound without coating
Waste handling

Hardened product and empty, dry packages can be delivered to a landfill. A liquid product must be delivered to a hazardous waste reception point.

Technical information

Material usage

1.5 kg/m2/1 mm.

Water requirement 3.0-3.6 l/20 kg
Binder special cement
Aggregate lime filler
Colour grey
Maximum grain size

1.2 mm

Package size 20 kg
Storage

10 months in a dry room

Mixing time 1-2 min
Layer thickness 10-80 mm
Fibre Plastic fibre
Lowest usage temperature

+ 10°C

Workability time approx. 20 min
Drying time

1 mm/h (+20 °C, 50% RH)

Walkable approx. 2- 3 h
Compressive strength

28 days > 30 MPa

Adhesion strength

28 days > 1.2 MPa

Waterproofness

waterproof

References

Other links

The information is based on tests and practical experience. We cannot affect conditions at the work site so we cannot assume responsibility for the end result affected by local conditions.

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