Visul Flexstone Panels
ADA Approved Detectable Warning Systems

'Patents Pending'

Corduroy Hazard Detectable Warning Surface

ada truncated domesThe corduroy detectable warning surface is to warn visually impaired people of the presence of specific hazards. These may include hazards like Steps, Level crossings or the approach to on-street light rapid transit (LRT) platforms.

It is also used where a footway joins a shared cycle/footway routes.The pattern used warning to the visually impaired that there is a hazardous area, and to Proceed With Caution

The profile of the corduroy detectable warning surface comprises rounded bars running transversely across the direction of travel.

Click Here to download the tile specification.

Available in: RED, BLACK and BUFF

For more information please contact us!

ada truncated domes

Are you Compliant with the Americans with Disabilities Act?

If you head up a DoT or Commercial Business, we can help you with ADA compliant Detectable Warning Systems for the safety of visually impaired citizens in your community and within your premises.


Email for information/specification on which Visul Flexstone Panel is right for your application.


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QEP Corporation supply (ADA) Americans with Disabilities Act approved truncated dome tiles and detectable warning systems that currently has (DoT) Department Of Transportation approval in the states of South Carolina, Michigan, Georgia, Texas, Alabama, New Mexico, Oregon, Tennessee, Oklahoma, Kentucky, Louisiana, Missouri, West Virginia, Minnesota and North Carolina.
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