https://craftingwithconcrete.com/bonding-new-concrete-to-old-work-scarify-vs-grind-vs-acid-and-why-acid-often-disappoints/
Bonding New Concrete to Old Work: Scarify Vs Grind Vs Acid (and Why Acid Often Disappoints) -...
Feb 3, 2026 - Bonding new concrete to old work means preparing the surface so fresh concrete will adhere to an existing slab. Scarify, grind, and acid-etch are common...
new concreteold workbondingscarifyvs