|HD Acid is an exceptionally strong hydrofluoric acid cleaner for deep stains in most porous masonry surfaces.
Advantages: Concentrated for super strength cleaning action
Effective on most heavily carboned buildings
Safer than sandblasting
Limitations: Not recommended for interior use
May not be suitable for some polished stone, glazed surfaces, glass or anodized aluminum
HD Acid is an exceptionally strong hydroflouric acid cleaner for deep stains in most porous masonry surfaces. This is an excellent cleaner for pulling stains of polution and minerals from the pores of open face brick and sandstones. HD Acid is not safe on glass or most surfaces. Precauctions to protect the surrounding environment must be used at all times. The person applying this product must take all necessary precauctions including but not limited to rubber gloves, rubber suit, taped sleeves, goggles, face shield and safety helment. Glass, plants, and sensitive surfaces such as anodized aluminum, marble, and limestone should always be protected by plastic or coating. It is recommended thta you use GS Restoration or SafwRestore for hard faced or glazed surfaces.