It depends on the type: Epoxy is typically waterproof and does not require any additional sealing layers, while acrylic paint may not be 100 percent water-resistant and can benefit from a sealer coat.

Speaking from experience, epoxy paint can transform a boring basement ... Keep in mind that an epoxy surface doesn’t make your floor waterproof. If flooding is a major issue, you may need ...

paste epoxy (like J-B Weld), or even wax are all commented on. The biggest problem is that a material can be waterproof but not water vapor proof. This means that condensation can build up inside ...