Chosen Solution
MacBook 13.3" A1342 2010 “cladding” is peeling. How to make it adhere? The nice sticky covering for the lower part of the computer has become unstuck. What’s the best product to re-adhere it?
Can’t really re-secure the old silicone coating. The best solution is to strip it off fully and giving the case a good sanding and then dye the case. Here’s an example: Before & After: MacBook Dye Project & Macbook Dye Project Otherwise you’ll need to replace case shell parts. Which can get expensive.