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heavy duty gritted finish

300 x 300 x 9mm • 11pcs/24 kg per m2

GRITSTONE AGGREGATE DARK GREY at Wokingham Station (South West Trains)
Technical sheet

A hard wearing tile with aluminium oxide particles embedded throughout for sustainable slip resistance. Like Pebbled Aggregate, it is a practical solution for:

  • Areas requiring a heavy duty surface
  • High traffic areas such as public transport locations
  • Wheeled trolley traffic areas and access ramps
  • Food preparation and manufacturing areas
  • External areas requiring slip resistance in all types of weather conditions
  • Network Rail approved
  • Steel Grey

    300 x 300 DW-GASGR3030

  • Dark Grey

    300 x 300 DW-GADGR3030

  • Quartz

    300 x 300 DW-GAQUZ3030

Reaction to fire - EN14411 Annex ZA:
Wall installation A1 / Floor installation A1FL



148 x 148 x 9mm

300 x 300 x 9mm

Surface Detail

Technical Characteristics

Shod Dry
(4S96 dry)
Shod Wet
(4S96 wet)
Barefoot Wet
(TRRL wet)
Ramp Test
n/a 58 50 n/a* R11 (shod only)

*not suitable for barefoot use

Fully Vitrified Dust Pressed Tiles - Annex G, Group Bla

Standard Requirement Typical Test Value
300 x 300 x 9mm
Length & Width EN ISO 10545-2 +/- 0.6% max +/- 2.0 mm Conforms
Thickness +/- 5.0% max +/- 0.5 mm Conforms
Straightness of Sides +/- 0.5% max +/- 1.5 mm Conforms
Rectangularity +/- 0.5% max +/- 2.0 mm Conforms
Surface Flatness: A-B-C +/- 0.5% max +/- 2.0 mm Conforms
Surface Quality A minimum of 95% of the tiles will be free from visible defects Conforms
Water Absorption % by Mass EN ISO 10545-3 < 0.5% Group Bla Fully Vitrified
Breaking Strength ≥7.5mm EN ISO 10545-4 >1300N Conforms 3583N
Modulus of Rupture EN ISO 10545-4 N/mm2 N Minimum 35 N/mm2
Individual minimum 32
Resistant to Deep Abrasion of Unglazed Tiles EN ISO 10545-6 Maximum 175vmm3 Between 19.0mm / 56vmm3 and 19.1mm / 57vmm3
Thermal Shock Resistance EN ISO 10545-9 Cycled 10 times between temperature of 15o & 145o C Fully Resistant
Frost Resistance EN ISO 10545-12 100 Freeze Thaw Cycles No Damage
Resistance to Household Chemicals and Swimming Pool Salts EN ISO 10545-13 Minumum UB UA No Visible Effects
Low Acids & Alkali ULA No Visible Effects
High Acids & Alkali UHA No Visible Effects
Surface Hardness
MOHS UNE 67-101-92-2012
>6 >6
Reaction to Fire
EM14411 Annex ZA, classified without testing (CWT)
93/68/EEC When installed on walls A1
When installed on floors A1FL
Non combustible
Recycled Content Pre Consumer 4% Post Consumer 100%
Environmental Products do not contain VOCs

Architects, specifiers and design professionals:

For further information, advice or guidance on choosing Dorset Woolliscroft products please contact us

GRITSTONE AGGREGATE DARK GREY at Wokingham Station (South West Trains)

GRITSTONE AGGREGATE DARK GREY at Wokingham Station (South West Trains)