Home > Companies > Tobermore > AirClean® Chieftain VS5

Large format concrete paving flag manufactured to BS EN 1339.

Features and benefits:

  • Can improve air quality by reducing Nitrogen Dioxide (NO2).
  • Shift protection on five sides of the block provides maximum stability.
  • Hard-wearing granite surface.
  • Vibrant long-lasting colours.
  • Significantly reduced efflorescence.
  • Manufactured with sparkling natural granite (>53%) aggregates.
  • BREEAM rating: A. ('A+' rating can be achieved by using a recycled sub-base).


Suitable for all pedestrian areas. Some of these specific sizes are suitable for occasional vehicular overrun. The latest British Standard should be consulted to ensure the correct sub-base design is achieved prior to installation.

Related literature

The following content references this product:

Standard product features

Surface layer:

Hard-wearing surface layer with a minimum layer of 4 mm and >350 kg/m³ cement.

Surface finish:

Textured granite aggregate.

Granite content:

Not less than 53% of granite aggregate in surface layer.


Minimum 12-hour vapour curing to significantly reduce the possibility of efflorescence.

Slip/ skid resistance:

Extremely low (>75 USRV).


>3.5 MPa.


Unique VS5 spacer which adds shift protection on five sides of the block.


  • Energy used: 100% renewable energy.
  • Water used: 100% water used from rainwater harvesting system.
  • Recyclable: 100% of this product can be recycled.
  • Recycled content: not less than 6%.
  • Manufacturing location: produced in the UK with locally sourced materials.


Up to 16% NO2 reduction (average 4% -16% reduction).

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-20-64/395 Precast concrete flags

Product specification

An important note about specifying





+44 (0)844 800 5736

Product reference

AirClean® Chieftain VS5


[Mid Grey]


[800 x 400 x 100 mm]
[800 x 400 x 120 mm]
[1200 x 400 x 120 mm]

Manufacturer details

2 Lisnamuck Road,
Co L'derry, BT45 5QF
Tel +44 (0)844 800 5736
Fax +44 (0)28 7964 4145
NBS Plus