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 FlowPlan. 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
The product is suitable for use on sites with a Nordic Swan Ecolabel.
Vinkki! Vieritä taulukkoa sivuttain
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6416841202017
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Underfloor heating filler LL 5500 20 KG
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20201
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20 kg
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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
Storage and handling of waste. See the separate storage and disposal instructions https://www.fescon.fi/en/material-bank
| Material usage |
1.8 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 |
12 months in a dry room |
| Mixing time |
1-2 min |
| Layer thickness |
10-80 mm |
| Fibre |
Plastic fibre |
| Usage temperature |
+ 10°C...+25°C |
| Workability time |
approx. 20 min |
| Drying time |
1 mm/h (+20 °C, 50% RH) |
| Walkable |
approx. 2- 3 h |
| Strength class |
C 20 (EN 13813) |
| Compressive strength |
> 30 MPa (28 days, +20 °C, RH 50 %) |
| Adhesion strength |
28 days > 1.2 MPa |
| Flexural bond strength |
F 5 (EN 13813) |
| Surface tensile strength |
> 1,0 MPa (28 days, +20 °C, RH 50 %) |
| Waterproofness |
waterproof |
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.