My bathroom backsplash-to-wall junction was just re-caulked yesterday. (The old caulk was discolored and showing signs of mold.) But on one side of the countertop where there's a 3/8" gap between wall and backsplash, the new caulk was applied at a slightly lower level than the top of the backsplash, meaning there's a small area where water will pool on top of the caulk instead of draining back down onto the backsplash and countertop.
Question: can I just add more caulk on top of the now-dried other caulk, in order to raise the caulk level above the backsplash top so water will drain correctly? Or do I need to rip out all the caulk and start from scratch?
I'm using GE Max 5000 caulk if it matters.
Best Answer
Ideally it would be one continuous bead of caulking, however for 3/8" of a gap at the very top, you will probably be OK just adding a bit more caulking to fill it in. However, if you don't want to have to touch it again for a while--and considering the low cost and relative ease of applying it--I think I would be inclined to remove the existing bead and apply a new one that covers the entire length. That way you don't have to worry about water getting behind it.