Detectable Warning Devices
ACO References Register

truncated domes

ACO Sidewalk

ACO Detectable Warning Devices are ADA Compliant and offer expectional performance benefits.

Click here for more information on ADA Compliance.

. Polymer concrete construction - a highly durable material, resistant to road salts and other common road pollutants. Polymer concrete is manufactured from polyester resins reinforced with mineral aggregates and fillers. It provides up to four times the compressive strength of cement concrete. Minimal water absorption prevents freeze-thaw breakdown.   .

100% integral, UV stable colored material. Choice of gray, black, brick red or yellow.


  Enhanced micro-texture design located on and between truncated domes for increased slip resistance and sound-on-cane detectability.
  Truncated domes - 0.9" (23mm) diameter by 0.2" (5mm) tall detectable warning bumps at 2" (51mm) on center.  

Easy to install
Simply tamp into wet finished concrete. Flat bottom eliminates air voids. Innovative anchors allow for featured replaceability.

Detectable Warning Devices are available in two distinct styles:



HeritageTile is perfect for those who are looking for the classic look of fired bricks without the classic problems. HeritageTile helps avoid lawsuits or injuries from trip hazards associated with differential settlement and weed growth.


VersaTile offers the unmatched durability of Polymer Concrete with the added benefit of replaceability due to our exclusive ACO Anchor design.



View the Heritage Tile Spec Sheet >>

View the VersaTile Spec Sheet >>

View the Installation Guide >>

View the ACO Anchor Features and Benefits>>

ADA Compliant Detectable Warning Devices

ADA compliant, detectable warning devices, in a choice of sizes (24" x 12" and 24" x 24") and colors (red, black, gray or yellow), provide required color contrast to surrounding walking surface. Also commonly referred to as truncated domes or ADA pavers.

Complies with both the Americans with Disabilities Act - 1994 and the proposed Architectural Barriers Act Accessibility Guidelines - 2004.

Typical applications

  • Sidewalks
  • Pedestrian access areas
  • Platform edges
  • Railway stations
  • Retail locations and plazas


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