Spalling fix plans probably contain protective adjacent finishes, controlling dirt
https://hyper-slouch-61f.notion.site/Concrete-resurfacing-can-correct-unevenness-and-scaling-3a6fc1a7d9d48053a379dcea3bab915f
Spalling repair plans traditionally come with keeping adjacent finishes, controlling dust, and fighting slurry illness which may weaken the bond line.