
Rigid Surface Applied Detectable Warning
AlertTile is a fiberglass-reinforced thermoset composite, engineered for exceptional impact resistance, slip resistance, wear resistance, and long-term durability—ideal for retrofit applications. The unique design features a slim, flexible profile with beveled edges, ensuring a safe and smooth pedestrian transition.
Key Features
Semi-Rigid composition
30,000 psi strength yet flexible enough to conform to ramp irregularities
Premium UV Treatment
Ensures long-term color retention
Proven Anchoring System
Premium adhesive and HILTI HUD-1 anchors with stainless steel screws
Perimeter Beveled Edges
Designed for a safe, smooth pedestrian transition.
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Installation Instructions
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24″ x 36″ Drawings
24″ x 48″ Drawings
24″ x 60″ Drawings
36″ x 48″ Drawings
36″ x 60″ Drawings
Engineers and Architects – Contact us for CAD drawings and other needs.
AlertTile Truncated Domes are designed to meet ADA standards
1. Reinforced thermoset composite for superior wear and strength.
2. Safety-speckled surface for added slip resistance.
3. Cross-section view showcasing dome dimensions.
4. Beveled edge for seamless pedestrian transition.
5. Built for exceptional durability and long-term wear resistance.
7. Pre-drilled anchor holes for fast installation.
8. Meets exact detectable warning length and width requirements
9. The exact required detectable warning width.
10. Meets exact detectable warning length and width requirements
Colors
Yellow
FED 33538
Colonial Red
FED 20109
Brick Red
FED 22144
Safety Red
FED 31350
Black
FED 17038
Grey
FED 36118
Sizes

Specifications
alerttile Detectable Warning Specification Sheet
Property | ASTM Standard | Result |
Slip Resistance | C 1028 | Dry .93 / Wet .76 |
Impact Resistance | D 256 | 8.0 Izod ft-ibs / in (notch) |
Adhesion Bond Strength | C 482 | 152 psi |
UV Resistance – Fade | Cap Y (LVR) | Brick Red 5-15 Safety Yellow 25-50 |
Water Absorption | 0.3 – 0.6% | |
Compression Strength | D 695 | 30,000 psi |
Flexural Strength | D 790 | 18,000 psi |
Tensile Strength 1/8″ | D 638 | 9,000 psi |
Color | Integral Throughout Product | Yes |
Dome Height | 0.2″ | Yes |
Dome Base Width | 0.9″ | Yes |
Dome Top Diameter | 0.45″ | Yes |
Dome Spacing | 2.4″ | Center-to-Center |
UL Flammability | UL 94 V-0 | 94V-0@3/32″ |
Flame Resistance Seconds Ignition Time Gurning Time |
D-229 | 120 65 |
Flame Spread Index, 1/4″ | E84 | ‹25 |
Freeze-Thaw Durability | C 1262-08 | Pass |