Heavy-duty, cementitious, underlayment screed for Sika Ucrete flooring systems Sika Ucrete UL is a one-part, fast-curing, shrinkage compensated underlayment screed for use beneath Sika Ucrete flooring systems. It is a ready-to-use material that contains special hydraulic binders, well-graded sands and specifically selected polymers. Depending on the mixing water addition, the consistency of the mortar can be adjusted to provide a thixotropic material for application to falls or a fluid material for levelling or pumping. - Fast curing and fast strength-development at low temperature allows for early preparation and application of Sika Ucrete flooring after 16 hours at +10 °C
- Very good resistance to thermal shock when used as part of a Sika Ucrete flooring system
- Very good workability and finishing in all consistencies
- Easy to apply and lay as a monolithic flat floor finish or on a slope
- Low shrinkage, reducing stress on the substrate and reducing the risk of cracking
- Pre-batched, one-part mortar that only needs the addition of water
- Suitable for internal or external application, on all horizontal surfaces, in dry and wet environments
- Layer thickness of 10–100 mm
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Usage Sika Ucrete UL is used as an underlayment screed for Sika Ucrete flooring systems. Please note: - The Product may only be used by experienced professionals.
Advantages - Fast curing and fast strength-development at low temperature allows for early preparation and application of Sika Ucrete flooring after 16 hours at +10 °C
- Very good resistance to thermal shock when used as part of a Sika Ucrete flooring system
- Very good workability and finishing in all consistencies
- Easy to apply and lay as a monolithic flat floor finish or on a slope
- Low shrinkage, reducing stress on the substrate and reducing the risk of cracking
- Pre-batched, one-part mortar that only needs the addition of water
- Suitable for internal or external application, on all horizontal surfaces, in dry and wet environments
- Layer thickness of 10–100 mm
Packaging 20 kg Refer to the current price list for available packaging variations. |
Technical Information Compressive Strength Conditioned 24 h at +5 °C | ≥ 45 N/mm2 | Conditioned 24 h at +23 °C | ≥ 50 N/mm2 | Conditioned 72 h at +5 °C | ≥ 55 N/mm2 | Conditioned 72 h at +23 °C | ≥ 60 N/mm2 | Conditioned 28 d at +23 °C | ≥ 70 N/mm2 | Conditioned 28 d at +23 °C | ≥ 80 N/mm2 |
Flexural Strength Conditioned 24 h at +23 °C | ≥ 7.0 N/mm2 | Conditioned 72 h at +23 °C | ≥ 7.5 N/mm2 | Conditioned 7 d at +23 °C | ≥ 9.0 N/mm2 | Conditioned 28 d at +23 °C | ≥ 10.0 N/mm2 |
Tensile adhesion strength
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Application Information Layer Thickness Maximum | 100 mm | Minimum | 10 mm |
Product Temperature Maximum | +30 °C | Minimum | +5 °C |
Ambient Air Temperature Maximum | +30 °C | Minimum | +5 °C |
Mixing Ratio Bonding slurry | 2.6–2.9 L | Pourable consistency | 2.5–2.9 L | Thixotropic consistency | 1.9–2.1 L |
Substrate Temperature Maximum | +30 °C | Minimum | +5 °C |
Waiting Time / Overcoating Temperature | Waiting time | +10 °C | 16 hours |
Note: Times are approximate and will be affected by changing ambient and substrate conditions. |
The above design is only a sample of the options available, for reference purposes only. Our policy of continuous improvement may result in a change of specifications without notice. If any discrepencies might be between the data sheet values and standards, we reserve the rights to make technical changes. Our company will not be held responsible, as all or any of pictures, drawings, weights and dimensions details or other elements in this document are only indicative and must not be considered contractual. Contact our sales team for other specifications or custom made products.
Contact our sales team for other specifications or custom made products.
