Sandtex Ready Mix Masonry Filler - 500g. This masonry filler is used for smoothening out fine cracks and for outdoor repairs to brick, stone, and other building materials. It is applied directly out of the tub using a spreader or a knife and dries in just 1 hour. Holes that are deeper than 9mm will require multiple layers. Sandtex Ready Mixed Masonry Filler is a high-performance filler specially designed for outdoor use on masonry, render, concrete, and brickwork. Supplied in a convenient 500g tub, it is ready to use straight from the container—no mixing required. The smooth finish makes it ideal for both small touch-ups and larger repairs. Once applied and dry, it can be sanded and painted to match your exterior walls, leaving a professional and long-lasting result. Used to smoothening out fine cracks in masonry. Applied directly out of the tub using a spreader or a knife. Holes deeper than 9mm will require multiple layers. Quick and easy to use. This dries in just 1 hour. Weight: 1.10231131 Pounds. Manufacturer: Charles Watson.