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Tactile
Blister

high-profile tactile finish finish

400 x 400 x 12.5mm • 6.2pcs/27.9 kg per m2

TACTILE BLISTER ANTHRACITE 400mm with GRITSTONE QUARTZ
Technical sheet

Like Tactile Corduroy this hard wearing Tactile contains porcelain aggregate throughout. The Blister profile is designed to warn the visually impaired of the edge of all off-street platforms and pavements near crossings. It is also used for heavy rail platforms.

  • Thickness of 12.5mm means it is very strong and rigid for very heavy traffic areas
  • Meets the requirements of the Joint Mobility Unit of the RNIB, DETR and the CAE
  • Profile conforms to British and European standards
  • Exceptional performance and safety standards
  • ‘Corduroy’ option also available
  • Network Rail approved
  • No colour fading in UV light

  • Anthracite

    400 x 400 DW-TBANT4040

  • Sand

    400 x 400 DW-TBSND4040

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

London Underground Ltd

TM144:1999 Modified Standard

Slip Resistance

(TMM144:1999 Modified London Underground Limited Method)
Test Condition Tested Along Tested Across Tested at 45o Pass / Fail CoF Pass / Fail distance below 0.4 CoF
CoF Distance CoF<0.4mm CoF Distance CoF<0.4mm CoF Distance CoF<0.4mm
Dry 0.80 10 0.77 10 0.59 5 Pass Pass
West 0.70 5 0.64 10 0.54 0 Pass Pass

Technical Characteristics

Displacement
Volume 		Shod Dry
(4S96 dry) 		Shod Wet
(4S96 wet) 		Barefoot Wet
(TRRL wet) 		Ramp Test
n/a 77 66 n/a n/a

Fully Vitrified Dust Pressed Tiles - BS EN 14411:2016 Group Bla

Standard Requirement Typical Test Value
400 x 400 x 12.5mm
Length & Width EN ISO 10545-2 ± 0.6% max ± 2.0mm 400mm
Base Tile Thickness
(Excluding Corderoy/Blister Height) 		12.5 ± 0.5mm 12.5mm
Surface Quality < 95% free from visible defects < 97% free from visible defects
Water Absorption % by Mass EN ISO 10545-3 </= 0.5% Individual max 0.6% < 0.35%
Breaking Strength ≥7.5mm EN ISO 10545-4 >1300N > 4500 N
Resistance to Deep Abrasion: Removed Vol. EN ISO 10545-6 Maximum 175mm3 < 130 mm3
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 Resistant
Surface Roughness Rz BS1134 Indicator - Rz > 20 microns 31 microns
Tactility DD CEN/TS 15209:2008 DD CEN/TS 15209:2008 Conforms
Light Reflectance Value BS 8493 Min 30 LRV between two adjacent surfaces 46 Sand 8 Anthracite
MOHS Hardness MOHS UNE 67-101-92 MOHS Scale > plus 6 8 MOHS
Resistance to Chemicals - Low Concentrations EN ISO 10545-13 Low Acids and Alkali ULA No Visible Effects
Resistance to Chemicals - High Concentrations EN ISO 10545-13 High Acids and Alkali UHA No Visible Effects
Combustible Class 93/68/EEC Non Combustible Class A1FL Non Combustible Class A1FL
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

TACTILE BLISTER ANTHRACITE 400mm with GRITSTONE QUARTZ

TACTILE BLISTER ANTHRACITE 400mm with GRITSTONE QUARTZ