Product Data Sheet Show all documents

Sika® Ucrete® HS Gloss

Smooth, gloss, heavy-duty, polyurethane floor screed

Sika® Ucrete® HS Gloss is a smooth, gloss, polyurethane, heavy-duty floor screed. It has very good resistance to aggressive chemicals and abrasion.

  • Expert installation by fully trained and licensed applicators
  • Resistant to bacterial or mould growth
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
  • Very good resistance to a wide range of chemicals
  • Very good mechanical resistance
  • Impermeable to liquids
  • Non-tainting from the end of mixing
  • Low VOC emissions
  • Thermal expansion properties similar to concrete
Contact Us
Product Data Sheet Show all documents

Usage

Sika® Ucrete® HS Gloss is used as a wearing layer screed for Sika® Ucrete® flooring systems. Sika® Ucrete® HS Gloss is used within dry process areas including the following application areas:
  • Dry packing lines
  • Storage areas
  • Warehouses
Please note:
  • The Product may only be used by experienced professionals.
 

Advantages

  • Expert installation by fully trained and licensed applicators
  • Resistant to bacterial or mould growth
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
  • Very good resistance to a wide range of chemicals
  • Very good mechanical resistance
  • Impermeable to liquids
  • Non-tainting from the end of mixing
  • Low VOC emissions
  • Thermal expansion properties similar to concrete

Packaging

Refer to the current price list for available packaging variations.

Colour

Cured colour

Red, Orange, Bright Yellow, Cream, Grey, Light Grey, Green, Light Green, Green/ Brown, Blue.

Note: Exposure to ultraviolet light may result in discolouration and colour variation. This is an aesthetic change and has no influence on the function and performance.

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • CE marking and declaration of performance based on EN 13813:2002 Screed material and floor screeds — Screed material — Properties and requirements — Synthetic resin screed material
Product Information

Chemical Base

Water-based polyurethane cement hybrid

Shelf Life

Always refer to the best-before date of the individual packaging.

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

1.7 kg/l

System information

System Structure

Sika® Ucrete® HS Gloss

02-en-Sika Ucrete MF

Layer

Product

1.

Primer

Sika® Ucrete® PSC

2.

Wearing layer

Sika® Ucrete® HS Gloss
Technical Information

Compressive Strength

Cured 28 days at +23 °C

50 N/mm²

Modulus of Elasticity in Compression

4000 MPa

(BS 6319-6)

Flexural Strength

Cured 28 days at +23 °C

20 N/mm²

Tensile Strength

Cured for 28 days at +20 °C

9 MPa

Tensile adhesion strength

> 2.0 N/mm² (concrete failure)

(EN 1542)

Coefficient of Thermal Expansion

3.6 × 10-5 °C-1

(ASTM C531)

Reaction to Fire

Class Bfl-s1

(EN 13501-1)

Chemical Resistance

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

Service Temperature

Maximum

+60 °C

Minimum

-15 °C

Application

Application Information

Layer Thickness

2.5–4 mm

Product Temperature

Maximum

+25 °C

Minimum

+15 °C

Ambient Air Temperature

Maximum

+25 °C

Minimum

+12 °C

Dew Point

Beware of condensation. The substrate and uncured applied product must be at least +3 °C above the dew point to reduce the risk of condensation or blooming on the surface of the applied product. Low temperatures and high humidity conditions increase the probability of blooming.

Substrate Temperature

Maximum

+25 °C

Minimum

+12 °C

Curing Time

Substrate temperature

Return to traffic

+8 °C

24–36 hours

+15 °C

24 hours

Note: Times are approximate and will be affected by changing ambient and substrate conditions.

 
Consumption

Consumption

Layer

Product

Consumption

Primer

Sika® Ucrete® PSC

0.2–0.4 kg/m2

Wearing layer

Sika® Ucrete® HS Gloss

6–7 kg/m2 for 4 mm

4–5 kg/m2 for 2.5 mm
Application steps

SUBSTRATE PREPARATION

IMPORTANT

Reduced service life due to incorrect treatment of cracks

The incorrect assessment and treatment of cracks may lead to a reduced service life and reflective cracking.

  1. For static cracks, ensure the width is suitable for overcoating with Sika® Ucrete® HS Gloss.
  2. For dynamic cracks, ensure the movement is within the movement capacity of Sika® Ucrete® HS Gloss.

TREATMENT OF JOINTS AND CRACKS

Construction joints and existing static surface cracks in substrate require pre-treating before full layer application. Use Sikadur® or Sikafloor® resins.

The Product can be applied on green or damp concrete with no standing water. Allow for at least 3 days for early concrete shrinkage to occur to prevent shrinkage cracks from appearing on the wearing surface.

Cementitious substrates must be structurally sound and of sufficient compressive strength (minimum 30 N/mm2) with a minimum tensile strength of 1.5 N/mm2.

Substrates must be clean, dry and free of contaminants such as dirt, oil, grease, coatings, laitance, surface treatments and loose friable material.

APPLICATION

Application must be undertaken by a fully trained and licensed Sika® Ucrete® applicator.

 

Documents