- Ready to Use Product Type:Rust Removers, Stain Removers
- Compatible Substrates & Surfaces:Concrete
Circa 1850® Bare Concrete is formulated to clean and prime concrete surfaces prior to painting. It quickly and easily dissolves white efflorescent salts, rust stains, and most oil and grease spots. It slightly etches the concrete surface to maximize the adhesion of oil, latex and epoxy paints,as well as acrylic sealers. Circa 1850® Bare Concrete is an environmentally safe alternative to strong acids and caustic. It is odorless, non-caustic, and non-corrosive. Circa 1850® Bare Concrete does not contain any phosphates and is safe to use on all concrete surfaces - indoors and outdoors.