NBS Source
Intercrete® 4820


Specifically designed as a waterproof filler for minor voids and defects to provide a suitable surface finish for the subsequent application of Intercrete concrete protection systems. Can also be used as a thin film waterproof screed to level both horizontal and vertical concrete surfaces.

Depending upon the condition of the substrate and any exposed steel reinforcement, additionalsurface preparation products from the Intercrete range may be required prior to the application ofIntercrete 4820.

Consult International Protective Coatings for further details. The following topcoats are recommended for Intercrete 4820:

Intercrete 4840.

General information

Uniclass 2015

Pr_35_31_77_15 Concrete sealersPrimary


C42/320 Levelling/ smoothing coats

Specification data - Concrete sealers

Product Reference

Intercrete® 4820

Product Options

Technical details:

  • Colour: Grey.
  • Gloss level: Matt.
  • Typical thickness: 6 mm dry (maximum).
  • Density: 1860 kg/m³.

Mechanical characteristics:

- Compressive strength (to BS EN 4551 at 20°C):

  • 1 day: 23 MPa.
  • 7 days: 46 MPa.
  • 28 days: 60 MPa.

- Flexural strength (to BS EN 4551 at 20°C, 65% R.H):

28 days: 10 MPa.

Similar products from International®, brand of AkzoNobel

Intercrete® 4840

Intercrete® 4840

Intercrete® 4841

Intercrete® 4841