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ADA / AS 1428.4 CNC-Milled Limestone Tactile Ground Surface Indicators (TGSI)
Category Code: TY-CAT-16 · Knowledge ID: RW-TYCCAT-0216 · 5-Axis CNC Fabrication

ADA / AS 1428.4 CNC-Milled Limestone Tactile Ground Surface Indicators (TGSI)

Monolithic CNC-carved limestone hazard blisters and directional guidance bars that meet municipal accessibility laws without resorting to peeling plastic or steel inserts.

Technical Specifications, Standard Dimensions & Container Yield

Specification ParameterVerified Factory Standard
Category Code & KB IDTY-CAT-16 (RW-TYCCAT-0216)
Standard & Custom Dimensions300×300×30/40mm, 400×400×40mm, 600×400×40mm (Hazard Studs & Directional Bars)
Primary Architectural ApplicationsCivic plazas, transit stations, museum steps, and commercial building ramps.
20GP Container Yield & PackagingAvailable in contrasting light (`Daiwa` LRV ~62%) and dark (`Modai` LRV ~18%) limestone for >30% luminance contrast. (ISPM-15 Fumigated Crates)
Available Limestone CollectionsAll 29 Tianya Limestone Collections (Tumbled, Bush-Hammered, Chiseled, Natural Split, Sandblasted & Brushed)
Pre-Shipment QC Protocol100% 3,000 m² Factory Dry-Lay & CAD Piece-Numbering (`EL-A-101`)

Good / Better / Best Project Consolidation Options

Combine ADA / AS 1428.4 CNC-Milled Limestone Tactile Ground Surface Indicators (TGSI) with our 20mm or 30mm limestone pavers in a single mixed 20GP container from Xiamen Port (CNXMN). Send your CAD schedule to [email protected] for a 12-hour conditional or itemized quote.

Request CAD Take-Off & Quote Browse All 29 Limestone Collections →
Sales Team 1+86 189 6036 6169 Sales Team 2+86 178 0598 2800 Telegram (RU / CIS Desk)@tianya_limestone_cis