NBS Source
Sopro® SG 602 Primer-Sealer


Suitable for use on interior walls and floors.

Suitable substrates include:

  • Cement render, lime/ cement render, gypsum plaster, homogeneous, flush-jointed masonry (no composite masonry), concrete, aerated concrete, paperless gypsum panels, gypsum plasterboard and gypsum fibreboard, cement screeds, calcium sulphate screeds.
  • Ceramic tiles and natural stone.
  • Only use on timber substrates that are insensitive to moisture. Do not use on substrates exposed to risk of rising damp.
  • Substrates should be dry, strong, crack-free, dimensionally stable and free from adhesion-impairing sub-stances (e.g. dust, oil, wax, release agent, efflorescence, laitance, paint, lacquer and varnish residue).

Stir or shake prior to use and apply by paint brush, block brush or roller. Apply material moderately to avoid puddling and skinning. Work may resume immediately after priming coat has fully dried through. Sopro SG 602 should be left to dry for no longer than 24 hours.

Available in 5 kg, 10 kg and 20 kg canisters.


One component synthetic resin primer for high and variable suction substrates for the application of mineral adhesives, surface fillers and waterproof membranes.

Features and benefits:

  • Solvent-free.
  • Suitable for floor heating systems.
  • Overcoatable after 2–5 hours.
  • Acts as a barrier coat against adhesive/ mortar moisture.
  • Suitable for calcium sulphate screeds and self-levelling calcium sulphate screeds.
  • Dilutable 1:1 with water on cementitious and calcium sulphate-based substrates. Apply in undiluted form to non-absorbent substrates.

General information


5 kg

10 kg

20 kg


Pr_35_31_66_30 Floor covering primersPrimary


M12/110 Resin flooring

Product range


Specification data - Floor covering primers Enhanced data

Application temperature



50–150 g/m² (dependent on substrate suction). Calcium-based sulphate substrates: 100–150 g/m².

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