Fix small holes no larger than a dime with a steel-reinforced epoxy resin and hardener. Larger holes may need a steel-reinforced epoxy putty to keep the hole from opening again under the water weight. Paint over small holes with the two-stage epoxy resin. How to Fix a Hole in a Metal Bathtub. Remove any rust around the hole with the use of a stiff wired brush. Dip a cloth into cold water and clean up any debris left from the brushing. Mix epoxy resin and epoxy hardener in a small pail. Pour the resin and hardener mix into the hole. Bathtub Drain Overflow Rust Hole Repair Here We’ll Go Over Both Types Of Repair To Demonstrate The Effectiveness & The Proper Way To Deal With This i Repaired a rusted HOLE in my bathtub ALL by myself today, yeh!!!! MY bathtub repaired ~ forgot to take pic of the BEFORE repair photo Learn what causes rust, how you can prevent it, and how you can fix a rusty spot in You would think that if you had a metal bathtub, it may rust quickly because it is have a larger hole that’s eaten entirely through the tub or around the drain. What may have happened is the porcelain top coat has been compromised to the point that it exposed the cast iron metal to the water. Hello Guys, I have a hole in my porcelain bathtub. a pressed steel tub which has rusted through. if so, there is no satisfactory repair for it. Home Maintenance: How to Fix a Chipped Sink – You can fix chipped enamel on cast iron and steel sinks, and you can make the repair almost invisible with a Bathtub Drain Overflow Rust Hole Repair Here We’ll Go Over Both Types Of Repair To Demonstrate The Effectiveness & The Proper Way To Deal With This Sometimes accidents happen while in the bathtub and something is dropped or you can fall and you make a hole in your fiberglass bathtub.