Brickstone-ADA is a traditional brick shaped paver manufactured to Americans With Disabilities Act (ADA) Title III specifications.
Detectable warnings shall consist of raised truncated domes with a diameter of nominal 23mm, a height of nominal 3mm and shall contrast visually with adjoining surfaces, either light-on-dark or dark-on-light.
The material used to provide contrast shall be an integral part of the walking surface. Detectable warnings used on interior surfaces shall differ from adjoining walking surfaces in resiliency or sound-on cane contact.