Custom Building Products Sulfamic Acid Cleaner, 1 lb

This is a 1 lb tub of concentrated sulfamic acid cleaner in crystal form, made for tackling tough residue left behind after tiling and building work. It suits anyone dealing with dried cement grout, mortar or grout haze on tile, concrete and masonry, and it is also used to neutralise efflorescence and etch concrete.

Key Features

• Concentrated crystals that remove dried Portland cement, grout haze and mortar residue
• Works on tile, concrete and masonry, and is safe for coloured grouts
• Helps neutralise efflorescence and etches concrete
• Also removes hard water deposits
• Suitable for all colours of grout, tile, clay pavers, concrete and masonry
• Adds extra shine to the surface

How to Use

Use on all colours of grout, tile, clay pavers, concrete and masonry. Do not use it on marble or other polished stone, and be aware it may etch some glazed tile.

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