How do you attach a countertop to a backsplash?
How to Attach a Laminate Countertop Backsplash Clean and sand down any buildup or residue on the wall where the backsplash will be attached. Apply thin, consistent beads of construction adhesive along the entire lengths of both the back and bottom edges of the backsplash. Press the backsplash into place. Screw the backsplash to the counter to secure it.