HD Britenol can be used to clean any surface that has bad staining or discoloration. It is a safe siding stain remover for the home or deck. HD Britenol works great on wood, aluminum, vinyl, concrete, terra cotta, shingles, glass, brick, block or stone. HD Britenol works well in tandem with Cleansol BC for a complete house cleaning package. HD Britenol will not harm people or animals; however, care should be taken to protect plants. HD Britenol is sold in concentrate form to allow a broader spectrum of dilutions depending on the needs.