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Blister Surface For Pedestrian Crossing Points (Highway Blister)

Highway Blister (technical drawing)Highway Blister



400mm x 400mm
450mm x 450mm
Bespoke Sizes are also available
upon request.


Available in
and can be made to any given RAL Colour if required.


Supplied in boxes of 10 No.

Product Details

Viztek Ltd.’s Highway Blister Tactile Paving provide a warning to visually impaired people that they are approaching an area where the footway / path ends and the carriage way / road begins. The Blister Surface is a “Essential Safety Feature” for this group of road users at pedestrian crossing points as it indicates where the footway is flush with the carriage way, enabling a clear indication of where it is safest to cross as well as allowing wheelchair users to cross unimpeded too.

Major Plus Points

High Slip Resistance Levels

Speedy Installation

20 – 25 Years Design Life

No Noise Pollution During Installation

No Mechanical Fixings

Hard Wearing Aggregates

Recycled Materials

Meets Current DfT Guidelines

Does not Crack when Trafficked


Viztek Ltd Tactiles undergo a stringent QC process to ensure consistent colour and thickness throughout. Our tactiles also far outperform the required DfT standards of PTV (Pendulum Test Values) and SRV (Slip Resistance Values) and are second to none as far as providing the highest level of slip resistance as “Pedestrian Safety is Paramount”. We not only test the slip resistance in-house but also arranged for independent testing too for further clarification.


Viztek Ltd Tactiles can be installed onto almost any given substrate i.e. concrete / tarmac / mastic asphalt / GRP / Steel. Particular attention needs to be paid when installing onto freshly laid tarmac due to flux oils being present. The tactiles are also flexible enough to cope with any minor substrate deviations and are therefore ideal for the majority of Highway Projects throughout the UK. Our Tactiles are installed using a high quality EP (Epoxy Resin) Adhesive that is Moisture Tolerant and provides an excellent bond.

Approved Application

“Correct Application is Key” which is why Viztek Ltd can offer to Supply & Install / Offer In-House Training Demo’s / Supply Installation Guides and as much technical support as is needed to ensure that the system is installed correctly and lasts for as long as possible.

Controlled & Uncontrolled Crossings – The Difference Explained
For any Un-Controlled Crossings the most commonly used colour is Buff but this can be any colour (other than Red) as long as it provides a sound enough contrast in colour to that of the surrounding substrate. For any Controlled Crossings the colour must always be Red, unless the surrounding substrate is also Red and if so then a contrasting border of at least 150mm should be installed around the tactile surface area.

Download Data Sheet

Feel free to download the data sheet(pdf) of this product.