Sopro OFS 543 - Levelling Screed

Application

Cement screeds, concrete and untreated concrete surfaces (three months old minimum), heated floor constructions (cement and calcium sulfate-based screeds), existing ceramic, terrazzo, natural stone and cast stone coverings, magnesium oxychloride (magnesite) screeds.


Suitable primers:

  • Sopro HE 449 bonding emulsion for wet-on-wet application. Suitable substrates include: cement screeds, untreated concrete surfaces (three months old minimum), existing ceramic, terrazzo, natural and cast stone coverings, firmly adhering screed coatings and mastic asphalt screeds.
  • Sopro GD 749 primer all mineral, high or variable-suction substrates, e.g. cement screeds, concrete and untreated concrete surfaces (three months old minimum), board subfloors, calcium sulfate-based (anhydrite and self-levelling anhydrite) screeds.
  • 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 for moisture-sensitive substrates, e.g. magnesium oxychloride (magnesite) screeds, calcium sulfate-based (anhydrite and anhydrite slev-levelling) screeds.


Description

A pumpable (flow applied), castor chair resistant, self-levelling, rapid set, cementitious floor filler, suitable for interior use and in conjunction with underfloor heating. Low-chromate to Regulation 1907/2006/EC, Annex XVII. Used for the production of smooth, unbroken surfaces to receive any flooring type, e. g. ceramic tiles, natural stone coverings, textile, elastic and parquet flooring. For coat thicknesses between 3–25 mm. Sopro FS 5 floor-levelling compound is recommended for thin-coat (≤ 3 mm) applications; Sopro FS 15 plus or Sopro Rapidur® FE 678 self-levelling screed are recommended for coat thicknesses ≥ 25 mm.


Features and benefits:

  • EC1PLUS very low emissionPLUS.
  • CE marked.

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

Product range

Floor Screeds

Specification data - Self-smoothing levelling screed mixes Enhanced data

Thickness

3-25 mm.

Coverage

1.6 kg/m² per mm coat thickness (approximately).

Application temperature

5–30°C (substrate, air, material).

WaterRequirement

5.5–6.5 L per 25 kg.

Suitability for castor chairs

(Castor chair resistance)

Suitable (for castors to EN 12529) upwards of 3 mm coat thickness, minimum.

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

5

1.3
Revit

Revit 2016

6

2.0
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