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Sika Ucrete FL, Polyurethane Underlayment for Ucrete Floors, Interior

Sika Ucrete FL, Polyurethane Underlayment for Ucrete Floors, Interior

Screeds
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging N/A
Usage Levelling screed layer (must be overlaid with Ucrete finish)
Chemical Base Water-based polyurethane cement hybrid
Usage Area Interior
Color Red Stone
Storage Conditions The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to the packaging.Refer to the current Safety Data Sheet for information on safe handling and storage.
Density Mixed Product~2.31 kg/l
Consumption 2.3 kg/m2per mm of thickness
Application Thickness ~12–100 mm
Ambient Air Temperature +5°C min. / +30°C max.
Substrate Temperature +5°C min. / +30°C max.
Waiting Time Minimum 16h

Heavy-duty, polyurethane underlayment for Sika Ucrete flooring systems

Sika Ucrete FL is an underlayment screed for use prior to the application of a Sika Ucrete flooring system. It is used to create falls or for the fast repair of damaged floor slabs. It is applied by trowel or screed bar at a thickness of 12 mm to 100 mm.

  • Expert installation by fully trained and licensed applicators
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
Usage
Sika Ucrete FL is used as a levelling layer screed for Sika Ucrete flooring systems. Sika Ucrete FL is used within wet and dry process areas including the following application areas:
  • Food and beverage facilities
  • Pharmaceutical facilities
  • Chemical and processing facilities
  • Manufacturing facilities and workshops
Please note:
  • The Product may only be used by experienced professionals.
  • The Product is not a finished floor and must be overlaid with the appropriate Sika Ucrete floor finish
 
Advantages
  • Expert installation by fully trained and licensed applicators
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
  • Non-tainting from the end of mixing
  • Good adhesion to the substrate
  • Good levelling properties
  • Low VOC emissions
  • Application of subsequent Sika Ucrete products after approximately 16 hours
  • Can be filled with aggrgate to improve economy
  • Can be accelerated with Sika Ucrete Accelerator for fast installation within a 12-hour window
Packaging

Refer to the current price list for available packaging variations.
Colour

Cured colour

Red, Orange, Yellow, Bright Yellow, Cream, Grey, Light Grey, Green, Light Green, Green/ Brown, Blue.
Technical Information
Compressive Strength

Cured 28 days at +23 °C

55 N/mm²

Flexural Strength

Cured 28 days at +23 °C

11 N/mm²

Tensile Strength

Cured for 28 days at +20 °C

5 MPa

Tensile adhesion strength

> 2.0 N/mm² (concrete failure)

(EN 1542)

Chemical Resistance

Laboratory-defined resistance to many individual chemicals. Before proceeding, contact Sika Technical Service for specific information.

Reaction to Fire

Class Bfl-s1

(EN 13501-1)
Application Information
Layer Thickness

~12–100 mm
Product Temperature

Maximum

+22 °C

Minimum

+15 °C
Ambient Air Temperature

Maximum

+30 °C

Minimum

+5 °C
Substrate Temperature

Maximum

+30 °C

Minimum

+5 °C
Waiting Time / Overcoating

Minimum

16 hours

Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.