Fast Crack Filler is a quick drying, easy to use versatile interior/exterior crack filler. Fast Crack Filler can be used to repair cracks and holes in masonry, concrete, stone, stucco, ceilings, ceiling joints, gaps around doors & windows etc. Fast Crack Filler mixes easily with water to a smooth paste. It is specially formulated for strength and superior adhesion. Available in 500g, 2Kg & 10Kg pack sizes.