Clear, waterborne, acrylic sealer, primer and binder for vertical concrete, brick, adobe, limestone, masonry and stucco surfaces. Recommended for use on painted aluminum siding, vinyl siding and galvanized metal. It seals and binds chalky surfaces, improving the adhesion of a topcoat. Can be used to help prevent efflorescence, erosion, spalling, rotting and other effects of water penetration. It has low odor, low VOC and is non-hazardous, non-staining and non-flammable. Cleans up with soap and water.