NBS Source
Flexible Floor Levelling Compound


Sovereign Flexible Floor Levelling Compound is a polymer and fibre reinforced smoothing compound for the preparation of uneven subfloors prior to the application of various floor finishes. It can be used to level timber, concrete, asphalt, tiles, metal and painted floors.

Due to its flexible nature it is suitable for use in conjunction with under floor heating and is ready to take light foot traffic after 2–3 hours and receive floor coverings in as little as four hours.

On all substrates it is recommended that Sovereign Neoprene Primer is used, on concrete substrates an effective DPM must be in place and damp concrete floors should be first treated with Sovereign Epoxy DPM and then primed with Sovereign Neoprene Primer.

General information


20 Kg


Pr_35_31_06_28 Fibre-reinforced levelling screed mixesPrimary


M10/160 Proprietary self smoothing levelling screeds

M40/460 Smoothing underlayment

Specification data - Fibre-reinforced levelling screed mixes

Product Reference

Flexible Floor Levelling Compound

Neoprene Primer

Not required


Standard product features


Dry powder.


20 Kg.


Depends on application; see Sovereign technical data sheet.



Product Options

Neoprene Primer:

  • A high performance adhesion promoter and sealing compound for use with Sovereign Floor Levelling Compound (underlayment).
  • Suitable for use on non-absorbent surfaces such as terrazzo, power floated concrete, tiles, asphalt, steel, epoxy and polyester floors and absorbent substrates such as concrete, sand/cement screed, anhydrite and timber prior to laying a new Sovereign levelling compound.
  • Form: Liquid concentrate.
  • Colour: Green.