Pumice and Rottenstone vs Micro-Mesh for the Final Rub-Out: a controlled method with test areas, stop conditions, and dry acceptance checks.
Assess a chipped cooktop opening for support, crack growth, appliance clearance, fill needs, and polish mismatch before touching the edge.
Preserve an as-cast countertop surface by filling pinholes and removing grout haze without grinding away the decorative cream layer.
Verify horizontal-service approval, then meet the coating maker's concrete profile and silica-control requirements instead of choosing a universal grit.
Match aggregate exposure and gloss on a sacrificial sample before touching the floor, then feather the transition without creating a bright halo.
Diagnose ridge cause and size first, then select scraping or dust-controlled grinding while treating dry sanding as a silica-exposure task.
Treat the seam as stone particles plus resin adhesive, control heat and flatness, and defer to the slab manufacturer and professional tooling.
Use optical distortion, coating, tempering, crack, and fingernail tests to decide between professional polishing and replacement.
Give a clear stop rule: edge grinding belongs before tempering, and an installed tempered shelf with a damaged edge should be replaced or assessed by a glass professional.