Everbuild Cemstrip is a new type of cement, concrete and mortar stain remover that provides a more environmentally friendly and safer alternative to conventional hydrochloric acid based cement removers.Cemstrip will also remove salts and efflorescence from the surface of mineral substrates and is a very effective general cleaner for removing ingrained dirt, grease and stains from paths and patios. Cemstrip is a highly concentrated formula that can be diluted by up to 10 times with water to suit a variety of applications.Unlike hydrochloric acid based products Cemstrip can be safely used on most metal surfaces such as tools, cement mixers and other building equipment. Cemstrip is Non-hazardous in storage, transport and usage. It is also fully biodegradable.