Can Pepsi strip off polyuerthane finish?

Q: I put water based polyuerthane on our floor. It looked very good, but when some Pepsi got spilled on it, it striped off the polyurethane finish. How do I fix this?

A: I’m at a loss as to why Pepsi would cause a floor finish to delaminate from the wood. I’m thinking you may not have abraded the previous coat sufficiently to gain a good bond. The moisture from the spill was able to get under the coating and lift it off the floor. You can try taping off the affected boards and rubbing them down really well with fine sandpaper and coating again. Then remove the tape.