I had concrete poured against a steel seawall and wanted to seal the joint to prevent water from seeping between the two and causing the steel to rust, expand and totally ruin my job.

I used two coats of a white rubberized aluminum, mobile home roof coating. I felt it would adhere to both surfaces and fill any microscopic voids that might be between the two. Plus being a roof coating should last up to five years or more.

Hi! I’m Blair Gilbert, aka MR. HARDWARE. As a third-generation hardware store owner, licensed builder, and finish carpenter, my mission is to help you “do it right the first time!” On this site, I share expert home and yard DIY advice in over 200 videos. I can fix and repair your problems.
Learn more at: https://mrhardware.com/
Subscribe:    / @mrhardware1