Product Comparison
Compare our ADA-Compliant Detectable Warning Products
Use this side-by-side comparison to quickly evaluate features, installation types, and performance specs across our full lineup.
Product Comparison Table
| Feature/Attribute | RediMat | AlertTile | AlertCast | AlertCast PAVER | CastIron |
|---|---|---|---|---|---|
| Product Photo |  |  |  |  |  |
| Installation Type | Peel-and-stick (surface applied) | Surface applied with anchors | Cast-in-place replaceable (AlertCast) | Cast-in-place | Cast-in-place with interlocking design. |
| Best For | Asphalt and concrete retrofits. | Concrete ramps, sidewalks, retrofits | New concrete pours. | New concrete pours. | Harsh climates, snowplow exposure, long-term public use |
| Install Speed | Under 5 minutes | 20 minutes | Installed with concrete pour | Installed with concrete pour | Installed with concrete pour |
| Anchoring Method | No anchors required but available upon request | Hilti HUD-1 anchors with stainless screws and adhesive | Patented PENETRATOR™ anchoring system | Pre-drilled holes Structural Ribbing Air Vents | Interlocking edge |
| Material Composition | Flexible Polyurethane | Glass-reinforced Thermoset Composite | Glass-reinforced Thermoset Composite | Glass-reinforced Thermoset Composite | Premium Class 35 Gray Cast Iron |
| Replaceable? | No | No | Yes | No | No |
| Surface Compatibility | Asphalt, Concrete | Concrete | Concrete | Concrete | Concrete |
| Compliance Certifications | ADAAG and PROWAG | ADAAG and PROWAG | ADAAG and PROWAG | ADAAG and PROWAG | ADAAG and PROWAG |
| Slip Resistance | High traction textured surface (for all but CastIron) | Safety-speckled surface for wet/dry use | Safety-speckled surface for enhanced grip | Safety-speckled; ADA dome spacing | 1.27 dry / 0.72 wet (ASTM C1028) |
| Snowplow Resistant | Low | Moderate | Moderate | Moderate | High |
| Warranty | 5-Year Limited | 5-Year Limited | 5-Year Limited | 5-Year Limited | 7-Year Limited |
| Made in the USA | Yes | Yes | Yes | Yes | Yes |
| Standard Sizes | 24×36, 24×48, 36×48 (wedge/radius options) | 24×36 to 34×60 | 24×36 to 34×60 | 24×36 to 34×60 | R10 – R35 |
Product Photo
Installation Type
Peel-and-stick (surface applied)
Surface applied with anchors
Cast-in-place replaceable (AlertCast)
Cast-in-place
Cast-in-place with interlocking design.
Surface-applied with interlocking design
Best For
Asphalt and concrete retrofits.
Asphalt retrofits, parking structures, radius curb ramps
Concrete ramps, sidewalks, retrofits
New concrete pours.
New concrete pours needing future replaceability
New concrete pours.
Decorative paver installations, city beautification projects
Harsh climates, snowplow exposure, long-term public use
Install Speed
Under 5 minutes
20 minutes
Installed with concrete pour
Installed with concrete pour
Installed with concrete pour
Varies by site; relatively fast for cast iron
Anchoring Method
No anchors required but available upon request
None (adhesive only); anchors included for backup
Hilti HUD-1 anchors with stainless screws and adhesive
Patented PENETRATOR™ anchoring system
Pre-drilled holes
Structural Ribbing
Air Vents
Pre-drilled holes + structural ribbing + air vents
Interlocking edge
Interlocking edges; top-side vent hole
Material Composition
Flexible Polyurethane
Glass-reinforced Thermoset Composite
Semi-rigid Thermoset Composite
Glass-reinforced Thermoset Composite
Glass-reinforced Thermoset Composite
Premium Class 35 Gray Cast Iron
Replaceable?
No
No
Yes
No
No
Surface Compatibility
Asphalt, Concrete
Concrete
Concrete
Concrete
Paver stone, modular concrete
Concrete
Concrete, brick, city streets
Radius Options
Yes (wedge shapes available)
Limited
No
No
No
Compliance Certifications
ADAAG and PROWAG
ADA, DOT, Caltrans
ADAAG and PROWAG
ADAAG and PROWAG
ADAAG and PROWAG
ADAAG and PROWAG
Slip Resistance
High traction textured surface (for all but CastIron)
High traction with safety-speckled surface
Safety-speckled surface for wet/dry use
Safety-speckled surface for enhanced grip
Safety-speckled; ADA dome spacing
1.27 dry / 0.72 wet (ASTM C1028)
Snowplow Resistant
Low
Moderate
Moderate
Moderate
High
Warranty
5-Year Limited
5-Year Limited
5-Year Limited
5-Year Limited
7-Year Limited
Made in the USA
Yes
Yes
Yes
Yes
Yes
Standard Sizes
24×36,
24×48,
36×48 (wedge/radius options)
24×36 to 34×60
24×36 to 34×60
24×36 to 34×60
R10 – R35
24×18,
24×24,
24×30
Ideal Use Cases
Parking decks, Amtrak platforms, retrofits, radius ramps
Sidewalks, transit stations, commercial upgrades
New sidewalks, curb ramps, and infrastructure projects
Brick paver crosswalks, streetscapes, transit hubs
Transit platforms, city streets, snow-heavy zones
Helpful Links
- Product Details
- Technical Data
- Complete Product List
- Download Our Brochure
- Download Installation Instructions (Text)
- Download Installation Instructions (With Visuals)
- Submittals
- Inline Drawings
- Caltrans 3×4 Inline Drawing
- Caltrans 3×5 Inline Drawing
- Offset Drawings
- Engineers and Architects – Contact us for CAD drawings and other needs
Why Choose Detectable Warning Systems?
Confidence You Can Specify, Install, and Stand Behind
- Installer-Friendly Designs
- Engineered for the Real World
- Code Compliance, Built In
- U.S.-Made, Dealer-Supported
At DWS, every product is designed to help you move faster, stay compliant, and reduce the risk of costly rework.
Need Help Choosing What Works for Your Project?
Still unsure which product fits your needs? Talk to a DWS representative to walk through your site conditions and installation goals.