NBS Source
Altro Flexiflow™


Self-smoothing polyurethane resin system, which is high quality, robust to impact and flexible enough to move with the building.

Can be used to overlay day joints and can be applied over existing expansion joints with certain tolerances; consult manufacturer for details.

Easy and quick to install, with a seamless, uniform finish with uninterrupted lines, and it can be laid over green concrete with an Altro Proof™ damp-proof membrane.

It features a PUR top coat for UV colour stability, durability and ease of cleaning, and is available in pastel, solid and bright colours with a matt finish.

Environmentally friendly, with more than 50% renewable, natural oil content.

Altro Flexiflow 2 mm classic standard and Altro Flexiflow 2 mm classic slip-resistant:

The standard version combines flexibility with robustness.

- Typical applications:

  • Light to medium duty industrial premises with rolling loads, e.g. corridors, workshops, production areas, mezzanine decks.
  • Pharmaceutical, mortuaries, clean rooms.
  • Circulation/ display/ exhibition areas, museums, markets, heavy commercial areas, offices.
  • CDT areas and areas where there is an increased risk of slipping (slip-resistant variant only).

Altro Flexiflow 2 mm comfort standard and Altro Flexiflow 2 mm comfort slip-resistant:

The comfort version combines robustness with flexibility and comfort underfoot. Suitable for areas where people are on their feet all day.

- Typical applications:

  • Light production areas, laboratories, operating theatres.
  • Aged care facilities, mental health seclusion rooms and low stimulus rooms.
  • Retail, museums, galleries, atria.
  • Areas where there is an increased risk of slipping (slip-resistant version).

Altro Flexiflow Acoustic 8 mm acoustic standard and Altro Flexiflow 8 mm acoustic slip-resistant:

The acoustic option offers 18–19 dB sound insulation. It also provides enhanced levels of comfort underfoot, reducing the fatigue caused by long periods of standing on hard floors.

- Typical applications:

  • Music rooms, libraries, quiet rooms.
  • Schools/tertiary education corridors on the first floor or above to help minimise noise impact on lower level rooms.
  • General purpose school halls, assembly rooms.


  • Bond Strength: To BS EN 4264:3.5.
  • Reaction to fire: To BS EN 13501, Bfl-s1.
  • Impact Strength: To ISO6272.
  • Wear Resistance: To EN13892-4.


  • Substrates should be dry, structurally sound and free from contamination, friable materials or laitance which may affect either the adhesion or penetration of the resin system. All residues of old paint coatings and dust must be removed.
  • In general substrates should achieve a surface tensile strength of 1.5 N/mm² (BS EN 13892-8:2002).
  • Substrates must include an effective damp proof membrane and contain residual moisture not greater than 5% by weight (75% R.H.) to BS 8203:2017. Classification of surface regularity to BS 8204-6: SR1 - High.

General information

Uniclass 2015

Ss_30_42_54_75 Resin flooring systemsPrimary


M12/10 Resin flooring

Specification data - Resin flooring systems

Product Reference

Altro Flexiflow 2 mm classic slip-resistant

Altro Flexiflow 2 mm classic standard

Altro Flexiflow 2 mm comfort slip-resistant

Altro Flexiflow 2 mm comfort standard

Altro Flexiflow 8 mm acoustic slip-resistant

Altro Flexiflow 8 mm acoustic standard


Altro Proof standard variant

Resin flooring


Nominal thickness

2 mm (Acoustic 6+2 mm)


Insert requirement from 'Options' below.

Surface finish/ treatment

Altro Flexiflow topcoat

Altro Flexiflow slip-resistant topcoat

Product Options


  • Burnt Chocolate, Cloud, Cyprus, Dawn, Doe, Flint, Gunmetal, Indigo, Jade, Magenta, Magic, Norfolk, Patina, Portland Grey, Ramone, Ranch, Ruby, Sark, Spruce, Toast, Topaz, Tropic, Wedgewood, Wine Red, Winter Grey.
  • Safety Red, Safety Yellow (Safety colours for small demarcation areas only).


Resin systems

Resin systems

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