Sopro SLC 578 - Levelling screed

Description

Pumpable, self-levelling, rapid-set, cementitious surface filler. Used for the production of smooth, unbroken surfaces prior to installation of floor coverings, e.g. ceramic tiles, natural stone finishes, textile, elastic and parquet flooring.

For coat thicknesses between 3–40 mm. (Sopro FS 5 549 floor-levelling compound is recommended for thin-coat (≤ 3 mm) applications; Sopro FE 678 Rapidur® self-levelling screed is recommended for coat thicknesses > 40 mm.) Low-chromate to Regulation (EC) No 1907/2006, Annex XVII.

Features and benefits:

  • Pumpable.
  • Suitable for floor heating systems.
  • For indoor use only.
  • CE marked.

Suitable primers:

  • Sopro HE 449 bonding emulsion: For wet-on-wet application. Suitable substrates include: cement screeds, untreated concrete surfaces (three months old minimum).
  • Sopro GD 749 primer: All absorbent substrates, e.g. cement screeds, concrete/untreated concrete surfaces (three months old minimum).
  • Sopro HPS 673 special primer: All smooth, non-absorbent substrates, e.g. existing tile and terrazzo coverings or firmly adhering adhesive residue.
  • Sopro MGR 637 multi-purpose primer: Moisture-sensitive substrates, e.g. magnesium oxychloride (magnesite) screeds and calcium sulfate (anhydrite and self-levelling anhydrite) screeds.

General information

Material

Cement

Uniclass 2015

Pr_35_31_06_78 Self-smoothing levelling screed mixesPrimary

CAWS

M10/160 Proprietary self smoothing levelling screeds

M40/460 Smoothing underlayment

Specification data - Self-smoothing levelling screed mixes

Product Reference

Sopro SLC 578

Standard product features

Technical characteristics:

  • Compressive strength: C20.
  • Flexural strength: F5.
  • Water requirement: 5.25–5.75 L per 25 kg.
  • Coverage: 1.6 kg/m² per mm coat thickness.
  • Ready to receive covering: After 24 hours (approximately).
  • Application temperature: 5–25°C (substrate, air, material).
  • Reaction to fire: Class A1 fl.

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

5

1.3
Revit

Revit 2016

6

2.0
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