NBS Source
Norcros Pro 30 Fast Track Eco Levelling Compound


Suitable for use from featheredge to 30 mm in one application without the requirement for additional aggregate. It is ideal for encapsulating under-tile heating mats and cables, protecting the heating elements during the tile fixing process, as well as providing a level surface.


A flexible, polymer-modified, single-part, self-smoothing levelling compound. The product is also suitable for use on timber floors which have been overlaid with 15–18 mm WBP or marine grade plywood.

Features and benefits:

  • Featheredge to 30 mm in one application.
  • Flexible floor leveller with good abrasion resistance.
  • Suitable for underfloor and under-tile heating.
  • Can be overlaid onto timber floors.
  • Can be tiled on after 45 minutes.
  • Ready to receive impervious floor coverings after 90 minutes.
  • Typical strength: CT C30-F9.

General information








All Norcros Adhesive products are guaranteed to be free from defects and capable of achieving the performance criteria defined in the published product associated data for a period commensurate with the reasonable functional lifespan of the installation.


Uniclass 2015

Pr_35_31_06_80 Smoothing and levelling underlay compoundsPrimary


M40/10 Natural stone covering to

M40/110 Tiling to

M40/115 Natural stone covering to

M40/120 Mosaic to

M40/460 Smoothing underlayment

M40/5 Tiling to

Specification data - Smoothing and levelling underlay compounds Enhanced data


Polymer-modified cement based.




21.8 N/mm² after one day, 28.4 N/mm² after seven days and 35 N/mm² after 28 days.

Setting time

Setting time at 20°C:45 minutes for ceramic/ porcelain tiles and 90 minutes for natural stone and soft floor coverings.


4 kg/m² at 3 mm thickness (approximately).

Application method

  • Suitable substrates include concrete, cement:sand screed, anhydrite/ hemihydrate screeds, existing vinyl/ flooring grade asphalt, existing glazed tiles, heated floors and plywood overlay on existing timber floors.
  • Norcros Prime Bond is recommended on certain substrates, including power-floated concrete and plywood; see technical literature for details. Norcros Key Bond may be used as an alternative on existing glazed tiles and power-floated concrete.
  • Norcros Wet Seal Tanking Membrane is recommended for use in wet areas (or intermittent wetting such as showers and moisture-sensitive backgrounds).
  • Norcros Permalayer anti-fracture membrane may be used on newly poured (48 hours) concrete/ power-floated concrete and sand:cement screed.
  • Under-tile heating cables and mats should be encapsulated in a bed of Norcros Pro 10+ Compound.
  • Not for external or total immersion applications.


Digital objects

Platform Compatible Version Certified to




Revit 2016


Download now from NBS National BIM Library


Norcros Product and Fixer Guide

Norcros Product and Fixer Guide

Preparation Product Data Sheets

Preparation Product Data Sheets

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