Maintenance Free ASA Synthetic Resin Roof Tile for Transit Shelter Walkway Canopy Core Features Self-Cleaning ASA Surface: rain alone removes dust, no repainting or scrubbing Non-Corrosive Resin Body: unaffected by acid rain and urban air pollution Ultra-Wide 1050mm Sheet: fewer seams on long public walkway canopies Key Benefits ✔ Zero Repainting Cost: color layer bonded for 10+ years outdoors ✔ Impact Safety: resists hail and falling branches over public shelters ✔