Sopro Rapidur FE 678 - Levelling screed

A polymer-modified, ready-to-use dry mix for production of rapid-set self-levelling screed allowing early flooring installation. Grade CT-C25-F5 to DIN EN 13813. Used as base for all types of floor covering, e. g. ceramic, natural stone, textile and elastic flooring. Particularly useful for fast-track or tightly scheduled screed laying.

No extra sand needs to be added on site. Excellent workability and hardened mortar properties thanks to Mikrodur® technology. Low-chromate to regulation (EC) No. 1907/2006, Annex XVII.

Features and benefits:

• Self-levelling.

• Ready to use, dry mix.

• For fast-track or tightly scheduled screed laying.

• Ideal for renovation and refurbishment.

• Suitable for floor heating systems.

• Pumpable, efficient application on large projects.

• For indoor use.

• Extra-Low shrinkage.

• Low-chromate to Regulation 1907/2006 EC, Annex XVII.

• CE marked.

Applications:

For production of self-levelling, rapid-set cement screeds to DIN 18560 allowing early flooring installation. For heated screeds, bonded screeds and unbonded screeds (on separating or insulation layer). Unbonded construction with separating layer is recommended on mastic asphalt screeds. Suitable for a wide range of thin coat heating systems. For indoor use only.

• Coat thickness for bonded screeds: 20–70 mm.

• Coat thickness for insulation or unbonded screeds: 35–70 mm.

Suitable primers:

Substrates may be pre-treated with Sopro HE 449 bonding emulsion for wet-on-wet placing of screed or with Sopro GD 749 primer.