Visul Flexstone Panels
ADA Approved Detectable Warning Systems

'Patents Pending'

DOT Approvals

Various Department of Transortation approvals for QEP Corporations Visul Detectable Warning System - Flex-Stone Panels.

Some states may not have a public specification issued by the state DOT and therefore follow the minimum requirements outlined in the ADA Accessibility guidelines for buildings and facilities (ADAAG).

We are happy to announce that QEP continues to meet or exceed the requirements for ADA truncated domes and detectable warning surfaces as outlined in the federal guidelines.Therefore, they may not have an approved products list.

Contact your local DOT for more information. Some of the states where we meet or exceed their requirements include: OK, LA, MO, MI, WV, KY and MS amongst others. Further information about these states and others is available upon request. You may view our approval letters from the following states: SC, NC, TX, NM, GA, AL, OR & TN Online.


South Caronlina DOT
North Caronlina DOT
Texas DOT
New Mexico DOT
Georgia DOT
Alabama DOT
Michigan DOT
Oregon DOT
Tennessee DOT


If you have any further questions, please freel free to Contact Us!

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.


Call Today

© 2023 Quality Exterior Products (QEP) Corporation | All Rights Reserved | The Home of Visul Flexstone Panels | Privacy Policy
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.
Working together with disadvantaged people to create a secure future.
Contact us by Email: