How to Seal a Concrete Floor From Moisture |Rainbow ...
Polyurethane sealer – This type of sealer has a more durable finish than acrylic and epoxy sealer, and it also has UV protection. It's often used as an overcoat for an epoxy sealer in interior indoor concrete surfaces. Siloxane sealer – Lasting for up to 20 years, this sealer penetrates concrete for top protection.