contact us

TGSIs

Specular Inclusive vs Specular Exclusive for Luminance Contrast Tests

Specular Inclusive vs Specular Exclusive for Luminance Contrast

  • September 19, 2020
  • Tanisha Cowell

Measurement methods when testing for luminance contrast – Specular Inclusive vs Exclusiv...

read more
TGSO Failure

Tactile Ground Surface Indicators (TGSI’s)

  • August 22, 2018
  • Bruce Bromley

TGSI’s & Luminance Contrast Tactile Ground Surface Indicator’s (TGSI’s) are de...

read more
Yellow TGSIs

But Yellow Tactiles on Concrete Comply….. Dont They?

  • November 14, 2017
  • Mark Krause

We are all familiar with the now, common sight of Tactile Ground Surface indicators, (TGSI’s) on f...

read more

Are you specifying or approving Tactile Ground Surface Indicators TGSIs?

  • March 13, 2012
  • Bruce Bromley

I thought I’d post this after having discussions with numerous people regarding equipment and ...

read more

Specifying or Approving Discrete TGSIs – Do they comply

  • December 19, 2009
  • Bruce Bromley

As a designer or certifier are the “Discrete TGSIS” you are responsible for comply? What are dis...

read more