Rust-Oleum's parent company RPM International acquired Citadel Restoration and Repair, producer of the Citadel and RockSolid coating products.

Citadel markets its namesake brand to professional contractors, and targets DIY-oriented consumers with Rock Solid. The company also sells a line of wood care products under the Rock Solid name.

“Citadel has outstanding technology that we are excited to bring to our customers both in consumer and industrial markets,” said Tom Reed, president of Rust-Oleum.

Citadel founder and CEO Patrick Ilfrey will stay on board to lead the company under the Rust-Oleum banner.