Intensive cleaner for interior & exterior use Suitable for travertine, stone, sandstone, slate, marble, porcelain, granite, terracotta, quarry, brick, concrete and external paving. A high-performance intensive cleaner for stripping and cleaning of vitrified glazed ceramics, travertine, natural stone, sandstone, slate, marble, granite, terracotta, quarry, brick, concrete, external paving and other mineral floors & walls. Helps remove oxidised linseed oil and other mineral oils.